20529495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65173}}^1$

素因数の和:65191

約数の個数: 24

約数和(自身を含む): 40668576

約数和(自身を除く): 20139081

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65173, 195519, 325865, 456211, 586557, 977595, 1368633, 2281055, 2932785, 4105899, 6843165, 20529495]

約数ペア:

[(1, 20529495), (3, 6843165), (5, 4105899), (7, 2932785), (9, 2281055), (15, 1368633), (21, 977595), (35, 586557), (45, 456211), (63, 325865), (105, 195519), (315, 65173)]