20213306529

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{631291}}^1$

素因数の和:632128

約数の個数: 16

約数和(自身を含む): 29059633344

約数和(自身を除く): 8846326815

約数列:

[1, 3, 13, 39, 821, 2463, 10673, 32019, 631291, 1893873, 8206783, 24620349, 518289911, 1554869733, 6737768843, 20213306529]

約数ペア:

[(1, 20213306529), (3, 6737768843), (13, 1554869733), (39, 518289911), (821, 24620349), (2463, 8206783), (10673, 1893873), (32019, 631291)]