20108689909

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1\times {\mathrm{3343}}^1$

素因数の和:3961

約数の個数: 32

約数和(自身を含む): 25271009280

約数和(自身を除く): 5162319371

約数列:

[1, 7, 11, 77, 191, 409, 1337, 2101, 2863, 3343, 4499, 14707, 23401, 31493, 36773, 78119, 257411, 546833, 638513, 859309, 1367287, 4469591, 6015163, 7023643, 9571009, 15040157, 49165501, 105281099, 261151817, 1828062719, 2872669987, 20108689909]

約数ペア:

[(1, 20108689909), (7, 2872669987), (11, 1828062719), (77, 261151817), (191, 105281099), (409, 49165501), (1337, 15040157), (2101, 9571009), (2863, 7023643), (3343, 6015163), (4499, 4469591), (14707, 1367287), (23401, 859309), (31493, 638513), (36773, 546833), (78119, 257411)]