89966020

素因数分解:

$2^2\times 5^1\times {\mathrm{1693}}^1\times {\mathrm{2657}}^1$

素因数の和:4359

約数の個数: 24

約数和(自身を含む): 189111384

約数和(自身を除く): 99145364

約数列:

[1, 2, 4, 5, 10, 20, 1693, 2657, 3386, 5314, 6772, 8465, 10628, 13285, 16930, 26570, 33860, 53140, 4498301, 8996602, 17993204, 22491505, 44983010, 89966020]

約数ペア:

[(1, 89966020), (2, 44983010), (4, 22491505), (5, 17993204), (10, 8996602), (20, 4498301), (1693, 53140), (2657, 33860), (3386, 26570), (5314, 16930), (6772, 13285), (8465, 10628)]