20201387575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{65129}}^1$

素因数の和:65811

約数の個数: 24

約数和(自身を含む): 26408912400

約数和(自身を除く): 6207524825

約数列:

[1, 5, 19, 25, 95, 475, 653, 3265, 12407, 16325, 62035, 65129, 310175, 325645, 1237451, 1628225, 6187255, 30936275, 42529237, 212646185, 808055503, 1063230925, 4040277515, 20201387575]

約数ペア:

[(1, 20201387575), (5, 4040277515), (19, 1063230925), (25, 808055503), (95, 212646185), (475, 42529237), (653, 30936275), (3265, 6187255), (12407, 1628225), (16325, 1237451), (62035, 325645), (65129, 310175)]