20391254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{2137}}^1$

素因数の和:2519

約数の個数: 16

約数和(自身を含む): 33044928

約数和(自身を除く): 12653674

約数列:

[1, 2, 13, 26, 367, 734, 2137, 4274, 4771, 9542, 27781, 55562, 784279, 1568558, 10195627, 20391254]

約数ペア:

[(1, 20391254), (2, 10195627), (13, 1568558), (26, 784279), (367, 55562), (734, 27781), (2137, 9542), (4274, 4771)]