20726670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{690889}}^1$

素因数の和:690899

約数の個数: 16

約数和(自身を含む): 49744080

約数和(自身を除く): 29017410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 690889, 1381778, 2072667, 3454445, 4145334, 6908890, 10363335, 20726670]

約数ペア:

[(1, 20726670), (2, 10363335), (3, 6908890), (5, 4145334), (6, 3454445), (10, 2072667), (15, 1381778), (30, 690889)]