20311310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70039}}^1$

素因数の和:70075

約数の個数: 16

約数和(自身を含む): 37821600

約数和(自身を除く): 17510290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70039, 140078, 350195, 700390, 2031131, 4062262, 10155655, 20311310]

約数ペア:

[(1, 20311310), (2, 10155655), (5, 4062262), (10, 2031131), (29, 700390), (58, 350195), (145, 140078), (290, 70039)]