20996408

素因数分解:

$2^3\times {\mathrm{457}}^1\times {\mathrm{5743}}^1$

素因数の和:6206

約数の個数: 16

約数和(自身を含む): 39461280

約数和(自身を除く): 18464872

約数列:

[1, 2, 4, 8, 457, 914, 1828, 3656, 5743, 11486, 22972, 45944, 2624551, 5249102, 10498204, 20996408]

約数ペア:

[(1, 20996408), (2, 10498204), (4, 5249102), (8, 2624551), (457, 45944), (914, 22972), (1828, 11486), (3656, 5743)]