20723873940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{36469}}^1$

素因数の和:36543

約数の個数: 288

約数和(自身を含む): 80287683840

約数和(自身を除く): 59563809900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 41, 42, 44, 45, 55, 60, 63, 66, 70, 77, 82, 84, 90, 99, 105, 110, 123, 126, 132, 140, 154, 164, 165, 180, 198, 205, 210, 220, 231, 246, 252, 287, 308, 315, 330, 369, 385, 396, 410, 420, 451, 462, 492, 495, 574, 615, 630, 660, 693, 738, 770, 820, 861, 902, 924, 990, 1148, 1155, 1230, 1260, 1353, 1386, 1435, 1476, 1540, 1722, 1804, 1845, 1980, 2255, 2310, 2460, 2583, 2706, 2772, 2870, 3157, 3444, 3465, 3690, 4059, 4305, 4510, 4620, 5166, 5412, 5740, 6314, 6765, 6930, 7380, 8118, 8610, 9020, 9471, 10332, 12628, 12915, 13530, 13860, 15785, 16236, 17220, 18942, 20295, 25830, 27060, 28413, 31570, 36469, 37884, 40590, 47355, 51660, 56826, 63140, 72938, 81180, 94710, 109407, 113652, 142065, 145876, 182345, 189420, 218814, 255283, 284130, 328221, 364690, 401159, 437628, 510566, 547035, 568260, 656442, 729380, 765849, 802318, 1021132, 1094070, 1203477, 1276415, 1312884, 1495229, 1531698, 1604636, 1641105, 2005795, 2188140, 2297547, 2406954, 2552830, 2808113, 2990458, 3063396, 3282210, 3610431, 3829245, 4011590, 4485687, 4595094, 4813908, 5105660, 5616226, 5980916, 6017385, 6564420, 7220862, 7476145, 7658490, 8023180, 8424339, 8971374, 9190188, 10466603, 11232452, 11487735, 12034770, 13457061, 14040565, 14441724, 14952290, 15316980, 16447519, 16848678, 17942748, 18052155, 20933206, 22428435, 22975470, 24069540, 25273017, 26914122, 28081130, 29904580, 31399809, 32895038, 33697356, 36104310, 41866412, 42121695, 44856870, 45950940, 49342557, 50546034, 52333015, 53828244, 56162260, 62799618, 65790076, 67285305, 72208620, 82237595, 84243390, 89713740, 94199427, 98685114, 101092068, 104666030, 115132633, 125599236, 126365085, 134570610, 148027671, 156999045, 164475190, 168486780, 188398854, 197370228, 209332060, 230265266, 246712785, 252730170, 269141220, 296055342, 313998090, 328950380, 345397899, 376797708, 460530532, 470997135, 493425570, 505460340, 575663165, 592110684, 627996180, 690795798, 740138355, 941994270, 986851140, 1036193697, 1151326330, 1381591596, 1480276710, 1726989495, 1883988540, 2072387394, 2302652660, 2960553420, 3453978990, 4144774788, 5180968485, 6907957980, 10361936970, 20723873940]

約数ペア:

[(1, 20723873940), (2, 10361936970), (3, 6907957980), (4, 5180968485), (5, 4144774788), (6, 3453978990), (7, 2960553420), (9, 2302652660), (10, 2072387394), (11, 1883988540), (12, 1726989495), (14, 1480276710), (15, 1381591596), (18, 1151326330), (20, 1036193697), (21, 986851140), (22, 941994270), (28, 740138355), (30, 690795798), (33, 627996180), (35, 592110684), (36, 575663165), (41, 505460340), (42, 493425570), (44, 470997135), (45, 460530532), (55, 376797708), (60, 345397899), (63, 328950380), (66, 313998090), (70, 296055342), (77, 269141220), (82, 252730170), (84, 246712785), (90, 230265266), (99, 209332060), (105, 197370228), (110, 188398854), (123, 168486780), (126, 164475190), (132, 156999045), (140, 148027671), (154, 134570610), (164, 126365085), (165, 125599236), (180, 115132633), (198, 104666030), (205, 101092068), (210, 98685114), (220, 94199427), (231, 89713740), (246, 84243390), (252, 82237595), (287, 72208620), (308, 67285305), (315, 65790076), (330, 62799618), (369, 56162260), (385, 53828244), (396, 52333015), (410, 50546034), (420, 49342557), (451, 45950940), (462, 44856870), (492, 42121695), (495, 41866412), (574, 36104310), (615, 33697356), (630, 32895038), (660, 31399809), (693, 29904580), (738, 28081130), (770, 26914122), (820, 25273017), (861, 24069540), (902, 22975470), (924, 22428435), (990, 20933206), (1148, 18052155), (1155, 17942748), (1230, 16848678), (1260, 16447519), (1353, 15316980), (1386, 14952290), (1435, 14441724), (1476, 14040565), (1540, 13457061), (1722, 12034770), (1804, 11487735), (1845, 11232452), (1980, 10466603), (2255, 9190188), (2310, 8971374), (2460, 8424339), (2583, 8023180), (2706, 7658490), (2772, 7476145), (2870, 7220862), (3157, 6564420), (3444, 6017385), (3465, 5980916), (3690, 5616226), (4059, 5105660), (4305, 4813908), (4510, 4595094), (4620, 4485687), (5166, 4011590), (5412, 3829245), (5740, 3610431), (6314, 3282210), (6765, 3063396), (6930, 2990458), (7380, 2808113), (8118, 2552830), (8610, 2406954), (9020, 2297547), (9471, 2188140), (10332, 2005795), (12628, 1641105), (12915, 1604636), (13530, 1531698), (13860, 1495229), (15785, 1312884), (16236, 1276415), (17220, 1203477), (18942, 1094070), (20295, 1021132), (25830, 802318), (27060, 765849), (28413, 729380), (31570, 656442), (36469, 568260), (37884, 547035), (40590, 510566), (47355, 437628), (51660, 401159), (56826, 364690), (63140, 328221), (72938, 284130), (81180, 255283), (94710, 218814), (109407, 189420), (113652, 182345), (142065, 145876)]