20201264

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{2999}}^1$

素因数の和:3428

約数の個数: 20

約数和(自身を含む): 39246000

約数和(自身を除く): 19044736

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 2999, 3368, 5998, 6736, 11996, 23992, 47984, 1262579, 2525158, 5050316, 10100632, 20201264]

約数ペア:

[(1, 20201264), (2, 10100632), (4, 5050316), (8, 2525158), (16, 1262579), (421, 47984), (842, 23992), (1684, 11996), (2999, 6736), (3368, 5998)]