20450875

素因数分解:

$5^3\times {\mathrm{47}}^1\times {\mathrm{59}}^2$

素因数の和:180

約数の個数: 24

約数和(自身を含む): 26515008

約数和(自身を除く): 6064133

約数列:

[1, 5, 25, 47, 59, 125, 235, 295, 1175, 1475, 2773, 3481, 5875, 7375, 13865, 17405, 69325, 87025, 163607, 346625, 435125, 818035, 4090175, 20450875]

約数ペア:

[(1, 20450875), (5, 4090175), (25, 818035), (47, 435125), (59, 346625), (125, 163607), (235, 87025), (295, 69325), (1175, 17405), (1475, 13865), (2773, 7375), (3481, 5875)]