20406896

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11287}}^1$

素因数の和:11408

約数の個数: 20

約数和(自身を含む): 39891792

約数和(自身を除く): 19484896

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11287, 22574, 45148, 90296, 180592, 1275431, 2550862, 5101724, 10203448, 20406896]

約数ペア:

[(1, 20406896), (2, 10203448), (4, 5101724), (8, 2550862), (16, 1275431), (113, 180592), (226, 90296), (452, 45148), (904, 22574), (1808, 11287)]