20000558

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2443

約数の個数: 16

約数和(自身を含む): 30935520

約数和(自身を除く): 10934962

約数列:

[1, 2, 61, 71, 122, 142, 2309, 4331, 4618, 8662, 140849, 163939, 281698, 327878, 10000279, 20000558]

約数ペア:

[(1, 20000558), (2, 10000279), (61, 327878), (71, 281698), (122, 163939), (142, 140849), (2309, 8662), (4331, 4618)]