20565558760

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10939127}}^1$

素因数の和:10939185

約数の個数: 32

約数和(自身を含む): 47257032960

約数和(自身を除く): 26691474200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10939127, 21878254, 43756508, 54695635, 87513016, 109391270, 218782540, 437565080, 514138969, 1028277938, 2056555876, 2570694845, 4113111752, 5141389690, 10282779380, 20565558760]

約数ペア:

[(1, 20565558760), (2, 10282779380), (4, 5141389690), (5, 4113111752), (8, 2570694845), (10, 2056555876), (20, 1028277938), (40, 514138969), (47, 437565080), (94, 218782540), (188, 109391270), (235, 87513016), (376, 54695635), (470, 43756508), (940, 21878254), (1880, 10939127)]