20405792173

素因数分解:

${\mathrm{13}}^1\times {\mathrm{4001}}^1\times {\mathrm{392321}}^1$

素因数の和:396335

約数の個数: 8

約数和(自身を含む): 21981017016

約数和(自身を除く): 1575224843

約数列:

[1, 13, 4001, 52013, 392321, 5100173, 1569676321, 20405792173]

約数ペア:

[(1, 20405792173), (13, 1569676321), (4001, 5100173), (52013, 392321)]