20609660

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4621}}^1$

素因数の和:4853

約数の個数: 24

約数和(自身を含む): 43483776

約数和(自身を除く): 22874116

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 4621, 9242, 18484, 23105, 46210, 92420, 1030483, 2060966, 4121932, 5152415, 10304830, 20609660]

約数ペア:

[(1, 20609660), (2, 10304830), (4, 5152415), (5, 4121932), (10, 2060966), (20, 1030483), (223, 92420), (446, 46210), (892, 23105), (1115, 18484), (2230, 9242), (4460, 4621)]