20213110

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4423}}^1$

素因数の和:4887

約数の個数: 16

約数和(自身を含む): 36471456

約数和(自身を除く): 16258346

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4423, 4570, 8846, 22115, 44230, 2021311, 4042622, 10106555, 20213110]

約数ペア:

[(1, 20213110), (2, 10106555), (5, 4042622), (10, 2021311), (457, 44230), (914, 22115), (2285, 8846), (4423, 4570)]