20479685

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3571}}^1$

素因数の和:3644

約数の個数: 16

約数和(自身を含む): 26061312

約数和(自身を除く): 5581627

約数列:

[1, 5, 31, 37, 155, 185, 1147, 3571, 5735, 17855, 110701, 132127, 553505, 660635, 4095937, 20479685]

約数ペア:

[(1, 20479685), (5, 4095937), (31, 660635), (37, 553505), (155, 132127), (185, 110701), (1147, 17855), (3571, 5735)]