2016959620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7757537}}^1$

素因数の和:7757559

約数の個数: 24

約数和(自身を含む): 4561432344

約数和(自身を除く): 2544472724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7757537, 15515074, 31030148, 38787685, 77575370, 100847981, 155150740, 201695962, 403391924, 504239905, 1008479810, 2016959620]

約数ペア:

[(1, 2016959620), (2, 1008479810), (4, 504239905), (5, 403391924), (10, 201695962), (13, 155150740), (20, 100847981), (26, 77575370), (52, 38787685), (65, 31030148), (130, 15515074), (260, 7757537)]