20526808

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 39531600

約数和(自身を除く): 19004792

約数列:

[1, 2, 4, 8, 59, 118, 157, 236, 277, 314, 472, 554, 628, 1108, 1256, 2216, 9263, 16343, 18526, 32686, 37052, 43489, 65372, 74104, 86978, 130744, 173956, 347912, 2565851, 5131702, 10263404, 20526808]

約数ペア:

[(1, 20526808), (2, 10263404), (4, 5131702), (8, 2565851), (59, 347912), (118, 173956), (157, 130744), (236, 86978), (277, 74104), (314, 65372), (472, 43489), (554, 37052), (628, 32686), (1108, 18526), (1256, 16343), (2216, 9263)]