20461090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157393}}^1$

素因数の和:157413

約数の個数: 16

約数和(自身を含む): 39663288

約数和(自身を除く): 19202198

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157393, 314786, 786965, 1573930, 2046109, 4092218, 10230545, 20461090]

約数ペア:

[(1, 20461090), (2, 10230545), (5, 4092218), (10, 2046109), (13, 1573930), (26, 786965), (65, 314786), (130, 157393)]