20585188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5011}}^1$

素因数の和:5107

約数の個数: 24

約数和(自身を含む): 39294080

約数和(自身を除く): 18708892

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 5011, 10022, 20044, 65143, 130286, 260572, 395869, 791738, 1583476, 5146297, 10292594, 20585188]

約数ペア:

[(1, 20585188), (2, 10292594), (4, 5146297), (13, 1583476), (26, 791738), (52, 395869), (79, 260572), (158, 130286), (316, 65143), (1027, 20044), (2054, 10022), (4108, 5011)]