20163570357

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{251947}}^1$

素因数の和:252097

約数の個数: 32

約数和(自身を含む): 31862351872

約数和(自身を除く): 11698781515

約数列:

[1, 3, 7, 21, 37, 103, 111, 259, 309, 721, 777, 2163, 3811, 11433, 26677, 80031, 251947, 755841, 1763629, 5290887, 9322039, 25950541, 27966117, 65254273, 77851623, 181653787, 195762819, 544961361, 960170017, 2880510051, 6721190119, 20163570357]

約数ペア:

[(1, 20163570357), (3, 6721190119), (7, 2880510051), (21, 960170017), (37, 544961361), (103, 195762819), (111, 181653787), (259, 77851623), (309, 65254273), (721, 27966117), (777, 25950541), (2163, 9322039), (3811, 5290887), (11433, 1763629), (26677, 755841), (80031, 251947)]