20403944460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:573

約数の個数: 288

約数和(自身を含む): 65777467392

約数和(自身を除く): 45373522932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 127, 138, 151, 180, 207, 230, 254, 257, 276, 302, 345, 381, 414, 453, 460, 508, 514, 604, 635, 690, 755, 762, 771, 828, 906, 1028, 1035, 1143, 1270, 1285, 1359, 1380, 1510, 1524, 1542, 1812, 1905, 2070, 2265, 2286, 2313, 2540, 2570, 2718, 2921, 3020, 3084, 3473, 3810, 3855, 4140, 4530, 4572, 4626, 5140, 5436, 5715, 5842, 5911, 6795, 6946, 7620, 7710, 8763, 9060, 9252, 10419, 11430, 11565, 11684, 11822, 13590, 13892, 14605, 15420, 17365, 17526, 17733, 19177, 20838, 22860, 23130, 23644, 26289, 27180, 29210, 29555, 31257, 32639, 34730, 35052, 35466, 38354, 38807, 41676, 43815, 46260, 52095, 52578, 53199, 57531, 58420, 59110, 62514, 65278, 69460, 70932, 76708, 77614, 87630, 88665, 95885, 97917, 104190, 105156, 106398, 115062, 116421, 118220, 125028, 130556, 131445, 155228, 156285, 163195, 172593, 175260, 177330, 191770, 194035, 195834, 208380, 212796, 230124, 232842, 262890, 265995, 287655, 293751, 312570, 326390, 345186, 349263, 354660, 383540, 388070, 391668, 441071, 465684, 489585, 525780, 531990, 575310, 582105, 587502, 625140, 652780, 690372, 698526, 750697, 776140, 862965, 882142, 892561, 979170, 1063980, 1150620, 1164210, 1175004, 1323213, 1397052, 1468755, 1501394, 1725930, 1746315, 1764284, 1785122, 1958340, 2205355, 2252091, 2328420, 2646426, 2677683, 2937510, 3002788, 3451860, 3492630, 3570244, 3753485, 3969639, 4410710, 4462805, 4504182, 4928489, 5292852, 5355366, 5875020, 6616065, 6756273, 6985260, 7506970, 7939278, 8033049, 8821420, 8925610, 9008364, 9856978, 10710732, 11260455, 13232130, 13388415, 13512546, 14785467, 15013940, 15878556, 16066098, 17851220, 19713956, 19848195, 22520910, 24642445, 26464260, 26776830, 27025092, 29570934, 32132196, 33781365, 39696390, 40165245, 44356401, 45041820, 49284890, 53553660, 59141868, 67562730, 73927335, 79392780, 80330490, 88712802, 98569780, 113355247, 135125460, 147854670, 160660980, 177425604, 221782005, 226710494, 295709340, 340065741, 443564010, 453420988, 566776235, 680131482, 887128020, 1020197223, 1133552470, 1360262964, 1700328705, 2040394446, 2267104940, 3400657410, 4080788892, 5100986115, 6801314820, 10201972230, 20403944460]

約数ペア:

[(1, 20403944460), (2, 10201972230), (3, 6801314820), (4, 5100986115), (5, 4080788892), (6, 3400657410), (9, 2267104940), (10, 2040394446), (12, 1700328705), (15, 1360262964), (18, 1133552470), (20, 1020197223), (23, 887128020), (30, 680131482), (36, 566776235), (45, 453420988), (46, 443564010), (60, 340065741), (69, 295709340), (90, 226710494), (92, 221782005), (115, 177425604), (127, 160660980), (138, 147854670), (151, 135125460), (180, 113355247), (207, 98569780), (230, 88712802), (254, 80330490), (257, 79392780), (276, 73927335), (302, 67562730), (345, 59141868), (381, 53553660), (414, 49284890), (453, 45041820), (460, 44356401), (508, 40165245), (514, 39696390), (604, 33781365), (635, 32132196), (690, 29570934), (755, 27025092), (762, 26776830), (771, 26464260), (828, 24642445), (906, 22520910), (1028, 19848195), (1035, 19713956), (1143, 17851220), (1270, 16066098), (1285, 15878556), (1359, 15013940), (1380, 14785467), (1510, 13512546), (1524, 13388415), (1542, 13232130), (1812, 11260455), (1905, 10710732), (2070, 9856978), (2265, 9008364), (2286, 8925610), (2313, 8821420), (2540, 8033049), (2570, 7939278), (2718, 7506970), (2921, 6985260), (3020, 6756273), (3084, 6616065), (3473, 5875020), (3810, 5355366), (3855, 5292852), (4140, 4928489), (4530, 4504182), (4572, 4462805), (4626, 4410710), (5140, 3969639), (5436, 3753485), (5715, 3570244), (5842, 3492630), (5911, 3451860), (6795, 3002788), (6946, 2937510), (7620, 2677683), (7710, 2646426), (8763, 2328420), (9060, 2252091), (9252, 2205355), (10419, 1958340), (11430, 1785122), (11565, 1764284), (11684, 1746315), (11822, 1725930), (13590, 1501394), (13892, 1468755), (14605, 1397052), (15420, 1323213), (17365, 1175004), (17526, 1164210), (17733, 1150620), (19177, 1063980), (20838, 979170), (22860, 892561), (23130, 882142), (23644, 862965), (26289, 776140), (27180, 750697), (29210, 698526), (29555, 690372), (31257, 652780), (32639, 625140), (34730, 587502), (35052, 582105), (35466, 575310), (38354, 531990), (38807, 525780), (41676, 489585), (43815, 465684), (46260, 441071), (52095, 391668), (52578, 388070), (53199, 383540), (57531, 354660), (58420, 349263), (59110, 345186), (62514, 326390), (65278, 312570), (69460, 293751), (70932, 287655), (76708, 265995), (77614, 262890), (87630, 232842), (88665, 230124), (95885, 212796), (97917, 208380), (104190, 195834), (105156, 194035), (106398, 191770), (115062, 177330), (116421, 175260), (118220, 172593), (125028, 163195), (130556, 156285), (131445, 155228)]