20335336

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1721}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 43807680

約数和(自身を除く): 23472344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1688, 1721, 2954, 3442, 5908, 6884, 11816, 12047, 13768, 24094, 48188, 96376, 363131, 726262, 1452524, 2541917, 2905048, 5083834, 10167668, 20335336]

約数ペア:

[(1, 20335336), (2, 10167668), (4, 5083834), (7, 2905048), (8, 2541917), (14, 1452524), (28, 726262), (56, 363131), (211, 96376), (422, 48188), (844, 24094), (1477, 13768), (1688, 12047), (1721, 11816), (2954, 6884), (3442, 5908)]