20814944

素因数分解:

$2^5\times {\mathrm{257}}^1\times {\mathrm{2531}}^1$

素因数の和:2798

約数の個数: 24

約数和(自身を含む): 41155128

約数和(自身を除く): 20340184

約数列:

[1, 2, 4, 8, 16, 32, 257, 514, 1028, 2056, 2531, 4112, 5062, 8224, 10124, 20248, 40496, 80992, 650467, 1300934, 2601868, 5203736, 10407472, 20814944]

約数ペア:

[(1, 20814944), (2, 10407472), (4, 5203736), (8, 2601868), (16, 1300934), (32, 650467), (257, 80992), (514, 40496), (1028, 20248), (2056, 10124), (2531, 8224), (4112, 5062)]