20105248886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{719}}^1\times {\mathrm{2351}}^1$

素因数の和:3404

約数の個数: 32

約数和(自身を含む): 31904409600

約数和(自身を除く): 11799160714

約数列:

[1, 2, 19, 38, 313, 626, 719, 1438, 2351, 4702, 5947, 11894, 13661, 27322, 44669, 89338, 225047, 450094, 735863, 1471726, 1690369, 3380738, 4275893, 8551786, 13981397, 27962794, 32117011, 64234022, 529085497, 1058170994, 10052624443, 20105248886]

約数ペア:

[(1, 20105248886), (2, 10052624443), (19, 1058170994), (38, 529085497), (313, 64234022), (626, 32117011), (719, 27962794), (1438, 13981397), (2351, 8551786), (4702, 4275893), (5947, 3380738), (11894, 1690369), (13661, 1471726), (27322, 735863), (44669, 450094), (89338, 225047)]