20681605

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34759}}^1$

素因数の和:34788

約数の個数: 16

約数和(自身を含む): 30032640

約数和(自身を除く): 9351035

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 34759, 173795, 243313, 590903, 1216565, 2954515, 4136321, 20681605]

約数ペア:

[(1, 20681605), (5, 4136321), (7, 2954515), (17, 1216565), (35, 590903), (85, 243313), (119, 173795), (595, 34759)]