20487810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97561}}^1$

素因数の和:97578

約数の個数: 32

約数和(自身を含む): 56195712

約数和(自身を除く): 35707902

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97561, 195122, 292683, 487805, 585366, 682927, 975610, 1365854, 1463415, 2048781, 2926830, 3414635, 4097562, 6829270, 10243905, 20487810]

約数ペア:

[(1, 20487810), (2, 10243905), (3, 6829270), (5, 4097562), (6, 3414635), (7, 2926830), (10, 2048781), (14, 1463415), (15, 1365854), (21, 975610), (30, 682927), (35, 585366), (42, 487805), (70, 292683), (105, 195122), (210, 97561)]