20902408

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25367}}^1$

素因数の和:25476

約数の個数: 16

約数和(自身を含む): 39574080

約数和(自身を除く): 18671672

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25367, 50734, 101468, 202936, 2612801, 5225602, 10451204, 20902408]

約数ペア:

[(1, 20902408), (2, 10451204), (4, 5225602), (8, 2612801), (103, 202936), (206, 101468), (412, 50734), (824, 25367)]