20109655

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1031}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 24966144

約数和(自身を除く): 4856489

約数列:

[1, 5, 47, 83, 235, 415, 1031, 3901, 5155, 19505, 48457, 85573, 242285, 427865, 4021931, 20109655]

約数ペア:

[(1, 20109655), (5, 4021931), (47, 427865), (83, 242285), (235, 85573), (415, 48457), (1031, 19505), (3901, 5155)]