20581664

素因数分解:

$2^5\times {\mathrm{107}}^1\times {\mathrm{6011}}^1$

素因数の和:6128

約数の個数: 24

約数和(自身を含む): 40905648

約数和(自身を除く): 20323984

約数列:

[1, 2, 4, 8, 16, 32, 107, 214, 428, 856, 1712, 3424, 6011, 12022, 24044, 48088, 96176, 192352, 643177, 1286354, 2572708, 5145416, 10290832, 20581664]

約数ペア:

[(1, 20581664), (2, 10290832), (4, 5145416), (8, 2572708), (16, 1286354), (32, 643177), (107, 192352), (214, 96176), (428, 48088), (856, 24044), (1712, 12022), (3424, 6011)]