20828548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1523}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 39428928

約数和(自身を除く): 18600380

約数列:

[1, 2, 4, 13, 26, 52, 263, 526, 1052, 1523, 3046, 3419, 6092, 6838, 13676, 19799, 39598, 79196, 400549, 801098, 1602196, 5207137, 10414274, 20828548]

約数ペア:

[(1, 20828548), (2, 10414274), (4, 5207137), (13, 1602196), (26, 801098), (52, 400549), (263, 79196), (526, 39598), (1052, 19799), (1523, 13676), (3046, 6838), (3419, 6092)]