20394870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{679829}}^1$

素因数の和:679839

約数の個数: 16

約数和(自身を含む): 48947760

約数和(自身を除く): 28552890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 679829, 1359658, 2039487, 3399145, 4078974, 6798290, 10197435, 20394870]

約数ペア:

[(1, 20394870), (2, 10197435), (3, 6798290), (5, 4078974), (6, 3399145), (10, 2039487), (15, 1359658), (30, 679829)]