20468035

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4397}}^1$

素因数の和:4435

約数の個数: 24

約数和(自身を含む): 30082320

約数和(自身を除く): 9614285

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4397, 4655, 21985, 30779, 83543, 153895, 215453, 417715, 584801, 1077265, 2924005, 4093607, 20468035]

約数ペア:

[(1, 20468035), (5, 4093607), (7, 2924005), (19, 1077265), (35, 584801), (49, 417715), (95, 215453), (133, 153895), (245, 83543), (665, 30779), (931, 21985), (4397, 4655)]