20282075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 27694656

約数和(自身を除く): 7412581

約数列:

[1, 5, 11, 25, 55, 131, 275, 563, 655, 1441, 2815, 3275, 6193, 7205, 14075, 30965, 36025, 73753, 154825, 368765, 811283, 1843825, 4056415, 20282075]

約数ペア:

[(1, 20282075), (5, 4056415), (11, 1843825), (25, 811283), (55, 368765), (131, 154825), (275, 73753), (563, 36025), (655, 30965), (1441, 14075), (2815, 7205), (3275, 6193)]