20266976

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8017}}^1$

素因数の和:8106

約数の個数: 24

約数和(自身を含む): 40410720

約数和(自身を除く): 20143744

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8017, 16034, 32068, 64136, 128272, 256544, 633343, 1266686, 2533372, 5066744, 10133488, 20266976]

約数ペア:

[(1, 20266976), (2, 10133488), (4, 5066744), (8, 2533372), (16, 1266686), (32, 633343), (79, 256544), (158, 128272), (316, 64136), (632, 32068), (1264, 16034), (2528, 8017)]