20356372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6229}}^1$

素因数の和:6295

約数の個数: 24

約数和(自身を含む): 38376800

約数和(自身を除く): 18020428

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6229, 12458, 24916, 118351, 236702, 267847, 473404, 535694, 1071388, 5089093, 10178186, 20356372]

約数ペア:

[(1, 20356372), (2, 10178186), (4, 5089093), (19, 1071388), (38, 535694), (43, 473404), (76, 267847), (86, 236702), (172, 118351), (817, 24916), (1634, 12458), (3268, 6229)]