20126001605

素因数分解:

$5^1\times {\mathrm{10321}}^1\times {\mathrm{390001}}^1$

素因数の和:400327

約数の個数: 8

約数和(自身を含む): 24153603864

約数和(自身を除く): 4027602259

約数列:

[1, 5, 10321, 51605, 390001, 1950005, 4025200321, 20126001605]

約数ペア:

[(1, 20126001605), (5, 4025200321), (10321, 1950005), (51605, 390001)]