20153110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1453}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 38734560

約数和(自身を除く): 18581450

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 1453, 2774, 2906, 6935, 7265, 13870, 14530, 27607, 55214, 106069, 138035, 212138, 276070, 530345, 1060690, 2015311, 4030622, 10076555, 20153110]

約数ペア:

[(1, 20153110), (2, 10076555), (5, 4030622), (10, 2015311), (19, 1060690), (38, 530345), (73, 276070), (95, 212138), (146, 138035), (190, 106069), (365, 55214), (730, 27607), (1387, 14530), (1453, 13870), (2774, 7265), (2906, 6935)]