20528445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1013}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 37769472

約数和(自身を除く): 17241027

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 193, 579, 965, 1013, 1351, 2895, 3039, 4053, 5065, 6755, 7091, 15195, 20265, 21273, 35455, 106365, 195509, 586527, 977545, 1368563, 2932635, 4105689, 6842815, 20528445]

約数ペア:

[(1, 20528445), (3, 6842815), (5, 4105689), (7, 2932635), (15, 1368563), (21, 977545), (35, 586527), (105, 195509), (193, 106365), (579, 35455), (965, 21273), (1013, 20265), (1351, 15195), (2895, 7091), (3039, 6755), (4053, 5065)]