20199428215

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1\times {\mathrm{99131}}^1$

素因数の和:99710

約数の個数: 16

約数和(自身を含む): 24581563776

約数和(自身を除く): 4382135561

約数列:

[1, 5, 83, 415, 491, 2455, 40753, 99131, 203765, 495655, 8227873, 41139365, 48673321, 243366605, 4039885643, 20199428215]

約数ペア:

[(1, 20199428215), (5, 4039885643), (83, 243366605), (415, 48673321), (491, 41139365), (2455, 8227873), (40753, 495655), (99131, 203765)]