20111540

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1213}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 42320040

約数和(自身を除く): 22208500

約数列:

[1, 2, 4, 5, 10, 20, 829, 1213, 1658, 2426, 3316, 4145, 4852, 6065, 8290, 12130, 16580, 24260, 1005577, 2011154, 4022308, 5027885, 10055770, 20111540]

約数ペア:

[(1, 20111540), (2, 10055770), (4, 5027885), (5, 4022308), (10, 2011154), (20, 1005577), (829, 24260), (1213, 16580), (1658, 12130), (2426, 8290), (3316, 6065), (4145, 4852)]