200620220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{323581}}^1$

素因数の和:323621

約数の個数: 24

約数和(自身を含む): 434894208

約数和(自身を除く): 234273988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 323581, 647162, 1294324, 1617905, 3235810, 6471620, 10031011, 20062022, 40124044, 50155055, 100310110, 200620220]

約数ペア:

[(1, 200620220), (2, 100310110), (4, 50155055), (5, 40124044), (10, 20062022), (20, 10031011), (31, 6471620), (62, 3235810), (124, 1617905), (155, 1294324), (310, 647162), (620, 323581)]