20936027

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 25935360

約数和(自身を除く): 4999333

約数列:

[1, 7, 17, 79, 119, 131, 289, 553, 917, 1343, 2023, 2227, 9401, 10349, 15589, 22831, 37859, 72443, 159817, 175933, 265013, 1231531, 2990861, 20936027]

約数ペア:

[(1, 20936027), (7, 2990861), (17, 1231531), (79, 265013), (119, 175933), (131, 159817), (289, 72443), (553, 37859), (917, 22831), (1343, 15589), (2023, 10349), (2227, 9401)]