20759225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 27260160

約数和(自身を除く): 6500935

約数列:

[1, 5, 23, 25, 79, 115, 395, 457, 575, 1817, 1975, 2285, 9085, 10511, 11425, 36103, 45425, 52555, 180515, 262775, 830369, 902575, 4151845, 20759225]

約数ペア:

[(1, 20759225), (5, 4151845), (23, 902575), (25, 830369), (79, 262775), (115, 180515), (395, 52555), (457, 45425), (575, 36103), (1817, 11425), (1975, 10511), (2285, 9085)]