20512388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1693}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 38846808

約数和(自身を除く): 18334420

約数列:

[1, 2, 4, 13, 26, 52, 233, 466, 932, 1693, 3029, 3386, 6058, 6772, 12116, 22009, 44018, 88036, 394469, 788938, 1577876, 5128097, 10256194, 20512388]

約数ペア:

[(1, 20512388), (2, 10256194), (4, 5128097), (13, 1577876), (26, 788938), (52, 394469), (233, 88036), (466, 44018), (932, 22009), (1693, 12116), (3029, 6772), (3386, 6058)]