20270390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{289577}}^1$

素因数の和:289591

約数の個数: 16

約数和(自身を含む): 41699232

約数和(自身を除く): 21428842

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 289577, 579154, 1447885, 2027039, 2895770, 4054078, 10135195, 20270390]

約数ペア:

[(1, 20270390), (2, 10135195), (5, 4054078), (7, 2895770), (10, 2027039), (14, 1447885), (35, 579154), (70, 289577)]