20513465

素因数分解:

$5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1597}}^1$

素因数の和:1976

約数の個数: 16

約数和(自身を含む): 28227072

約数和(自身を除く): 7713607

約数列:

[1, 5, 7, 35, 367, 1597, 1835, 2569, 7985, 11179, 12845, 55895, 586099, 2930495, 4102693, 20513465]

約数ペア:

[(1, 20513465), (5, 4102693), (7, 2930495), (35, 586099), (367, 55895), (1597, 12845), (1835, 11179), (2569, 7985)]