20704170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{690139}}^1$

素因数の和:690149

約数の個数: 16

約数和(自身を含む): 49690080

約数和(自身を除く): 28985910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 690139, 1380278, 2070417, 3450695, 4140834, 6901390, 10352085, 20704170]

約数ペア:

[(1, 20704170), (2, 10352085), (3, 6901390), (5, 4140834), (6, 3450695), (10, 2070417), (15, 1380278), (30, 690139)]