20808823

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 3521417

約数列:

[1, 7, 89, 127, 263, 623, 889, 1841, 11303, 23407, 33401, 79121, 163849, 233807, 2972689, 20808823]

約数ペア:

[(1, 20808823), (7, 2972689), (89, 233807), (127, 163849), (263, 79121), (623, 33401), (889, 23407), (1841, 11303)]