20105260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143609}}^1$

素因数の和:143625

約数の個数: 24

約数和(自身を含む): 48252960

約数和(自身を除く): 28147700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143609, 287218, 574436, 718045, 1005263, 1436090, 2010526, 2872180, 4021052, 5026315, 10052630, 20105260]

約数ペア:

[(1, 20105260), (2, 10052630), (4, 5026315), (5, 4021052), (7, 2872180), (10, 2010526), (14, 1436090), (20, 1005263), (28, 718045), (35, 574436), (70, 287218), (140, 143609)]