20054980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91159}}^1$

素因数の和:91179

約数の個数: 24

約数和(自身を含む): 45944640

約数和(自身を除く): 25889660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91159, 182318, 364636, 455795, 911590, 1002749, 1823180, 2005498, 4010996, 5013745, 10027490, 20054980]

約数ペア:

[(1, 20054980), (2, 10027490), (4, 5013745), (5, 4010996), (10, 2005498), (11, 1823180), (20, 1002749), (22, 911590), (44, 455795), (55, 364636), (110, 182318), (220, 91159)]