20388626580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:352

約数の個数: 384

約数和(自身を含む): 68745600000

約数和(自身を除く): 48356973420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 109, 122, 140, 147, 149, 183, 196, 210, 218, 244, 245, 294, 298, 305, 327, 343, 366, 420, 427, 436, 447, 490, 545, 588, 596, 610, 654, 686, 732, 735, 745, 763, 854, 894, 915, 980, 1029, 1043, 1090, 1220, 1281, 1308, 1372, 1470, 1490, 1526, 1635, 1708, 1715, 1788, 1830, 2058, 2086, 2135, 2180, 2235, 2289, 2562, 2940, 2980, 2989, 3052, 3129, 3270, 3430, 3660, 3815, 4116, 4172, 4270, 4470, 4578, 5124, 5145, 5215, 5341, 5978, 6258, 6405, 6540, 6649, 6860, 7301, 7630, 8540, 8940, 8967, 9089, 9156, 10290, 10430, 10682, 11445, 11956, 12516, 12810, 13298, 14602, 14945, 15260, 15645, 16023, 16241, 17934, 18178, 19947, 20580, 20860, 20923, 21364, 21903, 22890, 25620, 26596, 26705, 27267, 29204, 29890, 31290, 32046, 32482, 33245, 35868, 36356, 36505, 37387, 39894, 41846, 43806, 44835, 45445, 45780, 46543, 48723, 51107, 53410, 54534, 59780, 62580, 62769, 63623, 64092, 64964, 66490, 73010, 74774, 79788, 80115, 81205, 83692, 87612, 89670, 90890, 93086, 97446, 99735, 102214, 104615, 106820, 109068, 109515, 112161, 113687, 125538, 127246, 132980, 136335, 139629, 146020, 149548, 153321, 160230, 162410, 179340, 181780, 186172, 186935, 190869, 194892, 199470, 204428, 209230, 219030, 224322, 227374, 232715, 243615, 251076, 254492, 255535, 272670, 279258, 306642, 313845, 318115, 320460, 324820, 325801, 341061, 373870, 381738, 398940, 418460, 438060, 445361, 448644, 454748, 465430, 487230, 511070, 545340, 558516, 560805, 568435, 613284, 627690, 636230, 651602, 682122, 698145, 747740, 763476, 766605, 795809, 890722, 930860, 954345, 974460, 977403, 990701, 1022140, 1121610, 1136870, 1255380, 1272460, 1303204, 1336083, 1364244, 1396290, 1533210, 1591618, 1629005, 1705305, 1781444, 1908690, 1954806, 1981402, 2226805, 2243220, 2273740, 2280607, 2387427, 2672166, 2792580, 2972103, 3066420, 3117527, 3183236, 3258010, 3410610, 3817380, 3909612, 3962804, 3979045, 4453610, 4561214, 4774854, 4887015, 4953505, 5344332, 5570663, 5944206, 6235054, 6516020, 6680415, 6821220, 6841821, 6934907, 7958090, 8907220, 9122428, 9352581, 9549708, 9774030, 9907010, 11141326, 11403035, 11888412, 11937135, 12470108, 13360830, 13683642, 13869814, 14860515, 15587635, 15916180, 16711989, 18705162, 19548060, 19814020, 20804721, 22282652, 22806070, 23874270, 26721660, 27367284, 27739628, 27853315, 29721030, 31175270, 33423978, 34209105, 34674535, 37410324, 41609442, 45612140, 46762905, 47748540, 48544349, 55706630, 59442060, 62350540, 66847956, 68418210, 69349070, 83218884, 83559945, 93525810, 97088698, 104023605, 111413260, 136836420, 138698140, 145633047, 167119890, 187051620, 194177396, 208047210, 242721745, 291266094, 334239780, 339810443, 416094420, 485443490, 582532188, 679620886, 728165235, 970886980, 1019431329, 1359241772, 1456330470, 1699052215, 2038862658, 2912660940, 3398104430, 4077725316, 5097156645, 6796208860, 10194313290, 20388626580]

約数ペア:

[(1, 20388626580), (2, 10194313290), (3, 6796208860), (4, 5097156645), (5, 4077725316), (6, 3398104430), (7, 2912660940), (10, 2038862658), (12, 1699052215), (14, 1456330470), (15, 1359241772), (20, 1019431329), (21, 970886980), (28, 728165235), (30, 679620886), (35, 582532188), (42, 485443490), (49, 416094420), (60, 339810443), (61, 334239780), (70, 291266094), (84, 242721745), (98, 208047210), (105, 194177396), (109, 187051620), (122, 167119890), (140, 145633047), (147, 138698140), (149, 136836420), (183, 111413260), (196, 104023605), (210, 97088698), (218, 93525810), (244, 83559945), (245, 83218884), (294, 69349070), (298, 68418210), (305, 66847956), (327, 62350540), (343, 59442060), (366, 55706630), (420, 48544349), (427, 47748540), (436, 46762905), (447, 45612140), (490, 41609442), (545, 37410324), (588, 34674535), (596, 34209105), (610, 33423978), (654, 31175270), (686, 29721030), (732, 27853315), (735, 27739628), (745, 27367284), (763, 26721660), (854, 23874270), (894, 22806070), (915, 22282652), (980, 20804721), (1029, 19814020), (1043, 19548060), (1090, 18705162), (1220, 16711989), (1281, 15916180), (1308, 15587635), (1372, 14860515), (1470, 13869814), (1490, 13683642), (1526, 13360830), (1635, 12470108), (1708, 11937135), (1715, 11888412), (1788, 11403035), (1830, 11141326), (2058, 9907010), (2086, 9774030), (2135, 9549708), (2180, 9352581), (2235, 9122428), (2289, 8907220), (2562, 7958090), (2940, 6934907), (2980, 6841821), (2989, 6821220), (3052, 6680415), (3129, 6516020), (3270, 6235054), (3430, 5944206), (3660, 5570663), (3815, 5344332), (4116, 4953505), (4172, 4887015), (4270, 4774854), (4470, 4561214), (4578, 4453610), (5124, 3979045), (5145, 3962804), (5215, 3909612), (5341, 3817380), (5978, 3410610), (6258, 3258010), (6405, 3183236), (6540, 3117527), (6649, 3066420), (6860, 2972103), (7301, 2792580), (7630, 2672166), (8540, 2387427), (8940, 2280607), (8967, 2273740), (9089, 2243220), (9156, 2226805), (10290, 1981402), (10430, 1954806), (10682, 1908690), (11445, 1781444), (11956, 1705305), (12516, 1629005), (12810, 1591618), (13298, 1533210), (14602, 1396290), (14945, 1364244), (15260, 1336083), (15645, 1303204), (16023, 1272460), (16241, 1255380), (17934, 1136870), (18178, 1121610), (19947, 1022140), (20580, 990701), (20860, 977403), (20923, 974460), (21364, 954345), (21903, 930860), (22890, 890722), (25620, 795809), (26596, 766605), (26705, 763476), (27267, 747740), (29204, 698145), (29890, 682122), (31290, 651602), (32046, 636230), (32482, 627690), (33245, 613284), (35868, 568435), (36356, 560805), (36505, 558516), (37387, 545340), (39894, 511070), (41846, 487230), (43806, 465430), (44835, 454748), (45445, 448644), (45780, 445361), (46543, 438060), (48723, 418460), (51107, 398940), (53410, 381738), (54534, 373870), (59780, 341061), (62580, 325801), (62769, 324820), (63623, 320460), (64092, 318115), (64964, 313845), (66490, 306642), (73010, 279258), (74774, 272670), (79788, 255535), (80115, 254492), (81205, 251076), (83692, 243615), (87612, 232715), (89670, 227374), (90890, 224322), (93086, 219030), (97446, 209230), (99735, 204428), (102214, 199470), (104615, 194892), (106820, 190869), (109068, 186935), (109515, 186172), (112161, 181780), (113687, 179340), (125538, 162410), (127246, 160230), (132980, 153321), (136335, 149548), (139629, 146020)]