20220421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 22720320

約数和(自身を除く): 2499899

約数列:

[1, 13, 41, 59, 533, 643, 767, 2419, 8359, 26363, 31447, 37937, 342719, 493181, 1555417, 20220421]

約数ペア:

[(1, 20220421), (13, 1555417), (41, 493181), (59, 342719), (533, 37937), (643, 31447), (767, 26363), (2419, 8359)]