20988966

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^2\times {\mathrm{2081}}^1$

素因数の和:2168

約数の個数: 24

約数和(自身を含む): 43047432

約数和(自身を除く): 22058466

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 1681, 2081, 3362, 4162, 5043, 6243, 10086, 12486, 85321, 170642, 255963, 511926, 3498161, 6996322, 10494483, 20988966]

約数ペア:

[(1, 20988966), (2, 10494483), (3, 6996322), (6, 3498161), (41, 511926), (82, 255963), (123, 170642), (246, 85321), (1681, 12486), (2081, 10086), (3362, 6243), (4162, 5043)]