20040377903

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2131}}^1\times {\mathrm{6079}}^1$

素因数の和:8247

約数の個数: 32

約数和(自身を含む): 26132520960

約数和(自身を除く): 6092143057

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 2131, 6079, 14917, 27703, 36227, 42553, 79027, 103343, 193921, 253589, 470951, 553189, 723401, 1343459, 3296657, 9404213, 12954349, 90680443, 168406537, 220223933, 1178845759, 1541567531, 2862911129, 20040377903]

約数ペア:

[(1, 20040377903), (7, 2862911129), (13, 1541567531), (17, 1178845759), (91, 220223933), (119, 168406537), (221, 90680443), (1547, 12954349), (2131, 9404213), (6079, 3296657), (14917, 1343459), (27703, 723401), (36227, 553189), (42553, 470951), (79027, 253589), (103343, 193921)]