20525418

素因数分解:

$2^1\times 3^2\times {\mathrm{503}}^1\times {\mathrm{2267}}^1$

素因数の和:2778

約数の個数: 24

約数和(自身を含む): 44579808

約数和(自身を除く): 24054390

約数列:

[1, 2, 3, 6, 9, 18, 503, 1006, 1509, 2267, 3018, 4527, 4534, 6801, 9054, 13602, 20403, 40806, 1140301, 2280602, 3420903, 6841806, 10262709, 20525418]

約数ペア:

[(1, 20525418), (2, 10262709), (3, 6841806), (6, 3420903), (9, 2280602), (18, 1140301), (503, 40806), (1006, 20403), (1509, 13602), (2267, 9054), (3018, 6801), (4527, 4534)]