20126698865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1\times {\mathrm{677}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 30005047296

約数和(自身を除く): 9878348431

約数列:

[1, 5, 7, 13, 35, 65, 91, 223, 293, 455, 677, 1115, 1465, 1561, 2051, 2899, 3385, 3809, 4739, 7805, 8801, 10255, 14495, 19045, 20293, 23695, 26663, 44005, 61607, 65339, 101465, 133315, 150971, 198361, 308035, 326695, 457373, 754855, 849407, 991805, 1056797, 1388527, 1962623, 2286865, 2578693, 4247035, 5283985, 5945849, 6942635, 9813115, 12893465, 13738361, 18050851, 29729245, 44234503, 68691805, 90254255, 221172515, 309641521, 575048539, 1548207605, 2875242695, 4025339773, 20126698865]

約数ペア:

[(1, 20126698865), (5, 4025339773), (7, 2875242695), (13, 1548207605), (35, 575048539), (65, 309641521), (91, 221172515), (223, 90254255), (293, 68691805), (455, 44234503), (677, 29729245), (1115, 18050851), (1465, 13738361), (1561, 12893465), (2051, 9813115), (2899, 6942635), (3385, 5945849), (3809, 5283985), (4739, 4247035), (7805, 2578693), (8801, 2286865), (10255, 1962623), (14495, 1388527), (19045, 1056797), (20293, 991805), (23695, 849407), (26663, 754855), (44005, 457373), (61607, 326695), (65339, 308035), (101465, 198361), (133315, 150971)]