20031940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14107}}^1$

素因数の和:14187

約数の個数: 24

約数和(自身を含む): 42662592

約数和(自身を除く): 22630652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14107, 28214, 56428, 70535, 141070, 282140, 1001597, 2003194, 4006388, 5007985, 10015970, 20031940]

約数ペア:

[(1, 20031940), (2, 10015970), (4, 5007985), (5, 4006388), (10, 2003194), (20, 1001597), (71, 282140), (142, 141070), (284, 70535), (355, 56428), (710, 28214), (1420, 14107)]