20403930668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3112253}}^1$

素因数の和:3112417

約数の個数: 24

約数和(自身を含む): 39214400400

約数和(自身を除く): 18810469732

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3278, 6556, 3112253, 6224506, 12449012, 34234783, 68469566, 136939132, 463725697, 927451394, 1854902788, 5100982667, 10201965334, 20403930668]

約数ペア:

[(1, 20403930668), (2, 10201965334), (4, 5100982667), (11, 1854902788), (22, 927451394), (44, 463725697), (149, 136939132), (298, 68469566), (596, 34234783), (1639, 12449012), (3278, 6224506), (6556, 3112253)]