20590843

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{641}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 25454016

約数和(自身を除く): 4863173

約数列:

[1, 7, 13, 91, 353, 641, 2471, 4487, 4589, 8333, 32123, 58331, 226273, 1583911, 2941549, 20590843]

約数ペア:

[(1, 20590843), (7, 2941549), (13, 1583911), (91, 226273), (353, 58331), (641, 32123), (2471, 8333), (4487, 4589)]