20189020920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{322921}}^1$

素因数の和:323456

約数の個数: 64

約数和(自身を含む): 60683502240

約数和(自身を除く): 40494481320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 521, 1042, 1563, 2084, 2605, 3126, 4168, 5210, 6252, 7815, 10420, 12504, 15630, 20840, 31260, 62520, 322921, 645842, 968763, 1291684, 1614605, 1937526, 2583368, 3229210, 3875052, 4843815, 6458420, 7750104, 9687630, 12916840, 19375260, 38750520, 168241841, 336483682, 504725523, 672967364, 841209205, 1009451046, 1345934728, 1682418410, 2018902092, 2523627615, 3364836820, 4037804184, 5047255230, 6729673640, 10094510460, 20189020920]

約数ペア:

[(1, 20189020920), (2, 10094510460), (3, 6729673640), (4, 5047255230), (5, 4037804184), (6, 3364836820), (8, 2523627615), (10, 2018902092), (12, 1682418410), (15, 1345934728), (20, 1009451046), (24, 841209205), (30, 672967364), (40, 504725523), (60, 336483682), (120, 168241841), (521, 38750520), (1042, 19375260), (1563, 12916840), (2084, 9687630), (2605, 7750104), (3126, 6458420), (4168, 4843815), (5210, 3875052), (6252, 3229210), (7815, 2583368), (10420, 1937526), (12504, 1614605), (15630, 1291684), (20840, 968763), (31260, 645842), (62520, 322921)]