20268220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144773}}^1$

素因数の和:144789

約数の個数: 24

約数和(自身を含む): 48644064

約数和(自身を除く): 28375844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144773, 289546, 579092, 723865, 1013411, 1447730, 2026822, 2895460, 4053644, 5067055, 10134110, 20268220]

約数ペア:

[(1, 20268220), (2, 10134110), (4, 5067055), (5, 4053644), (7, 2895460), (10, 2026822), (14, 1447730), (20, 1013411), (28, 723865), (35, 579092), (70, 289546), (140, 144773)]