20189647295

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{994319}}^1$

素因数の和:994486

約数の個数: 16

約数和(自身を含む): 25200046080

約数和(自身を除く): 5010398785

約数列:

[1, 5, 31, 131, 155, 655, 4061, 20305, 994319, 4971595, 30823889, 130255789, 154119445, 651278945, 4037929459, 20189647295]

約数ペア:

[(1, 20189647295), (5, 4037929459), (31, 651278945), (131, 154119445), (155, 130255789), (655, 30823889), (4061, 4971595), (20305, 994319)]