20823876

素因数分解:

$2^2\times 3^2\times {\mathrm{578441}}^1$

素因数の和:578451

約数の個数: 18

約数和(自身を含む): 52638222

約数和(自身を除く): 31814346

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578441, 1156882, 1735323, 2313764, 3470646, 5205969, 6941292, 10411938, 20823876]

約数ペア:

[(1, 20823876), (2, 10411938), (3, 6941292), (4, 5205969), (6, 3470646), (9, 2313764), (12, 1735323), (18, 1156882), (36, 578441)]