20497890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97609}}^1$

素因数の和:97626

約数の個数: 32

約数和(自身を含む): 56223360

約数和(自身を除く): 35725470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97609, 195218, 292827, 488045, 585654, 683263, 976090, 1366526, 1464135, 2049789, 2928270, 3416315, 4099578, 6832630, 10248945, 20497890]

約数ペア:

[(1, 20497890), (2, 10248945), (3, 6832630), (5, 4099578), (6, 3416315), (7, 2928270), (10, 2049789), (14, 1464135), (15, 1366526), (21, 976090), (30, 683263), (35, 585654), (42, 488045), (70, 292827), (105, 195218), (210, 97609)]