20408410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{185531}}^1$

素因数の和:185549

約数の個数: 16

約数和(自身を含む): 40074912

約数和(自身を除く): 19666502

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 185531, 371062, 927655, 1855310, 2040841, 4081682, 10204205, 20408410]

約数ペア:

[(1, 20408410), (2, 10204205), (5, 4081682), (10, 2040841), (11, 1855310), (22, 927655), (55, 371062), (110, 185531)]