20217961794

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1\times {\mathrm{80209}}^1$

素因数の和:81234

約数の個数: 32

約数和(自身を含む): 41419160640

約数和(自身を除く): 21201198846

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 977, 1954, 2931, 5862, 42011, 80209, 84022, 126033, 160418, 240627, 252066, 481254, 3448987, 6897974, 10346961, 20693922, 78364193, 156728386, 235092579, 470185158, 3369660299, 6739320598, 10108980897, 20217961794]

約数ペア:

[(1, 20217961794), (2, 10108980897), (3, 6739320598), (6, 3369660299), (43, 470185158), (86, 235092579), (129, 156728386), (258, 78364193), (977, 20693922), (1954, 10346961), (2931, 6897974), (5862, 3448987), (42011, 481254), (80209, 252066), (84022, 240627), (126033, 160418)]