20793812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13789}}^1$

素因数の和:13835

約数の個数: 24

約数和(自身を含む): 40542600

約数和(自身を除く): 19748788

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13789, 27578, 55156, 179257, 358514, 399881, 717028, 799762, 1599524, 5198453, 10396906, 20793812]

約数ペア:

[(1, 20793812), (2, 10396906), (4, 5198453), (13, 1599524), (26, 799762), (29, 717028), (52, 399881), (58, 358514), (116, 179257), (377, 55156), (754, 27578), (1508, 13789)]