20750387

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4253}}^1$

素因数の和:4318

約数の個数: 16

約数和(自身を含む): 25728192

約数和(自身を除く): 4977805

約数列:

[1, 7, 17, 41, 119, 287, 697, 4253, 4879, 29771, 72301, 174373, 506107, 1220611, 2964341, 20750387]

約数ペア:

[(1, 20750387), (7, 2964341), (17, 1220611), (41, 506107), (119, 174373), (287, 72301), (697, 29771), (4253, 4879)]