20901426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38281}}^1$

素因数の和:38306

約数の個数: 32

約数和(自身を含む): 51451008

約数和(自身を除く): 30549582

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38281, 76562, 114843, 229686, 267967, 497653, 535934, 803901, 995306, 1492959, 1607802, 2985918, 3483571, 6967142, 10450713, 20901426]

約数ペア:

[(1, 20901426), (2, 10450713), (3, 6967142), (6, 3483571), (7, 2985918), (13, 1607802), (14, 1492959), (21, 995306), (26, 803901), (39, 535934), (42, 497653), (78, 267967), (91, 229686), (182, 114843), (273, 76562), (546, 38281)]