20156488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2027}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 41614560

約数和(自身を除く): 21458072

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 2027, 2486, 4054, 4972, 8108, 9944, 16216, 22297, 44594, 89188, 178376, 229051, 458102, 916204, 1832408, 2519561, 5039122, 10078244, 20156488]

約数ペア:

[(1, 20156488), (2, 10078244), (4, 5039122), (8, 2519561), (11, 1832408), (22, 916204), (44, 458102), (88, 229051), (113, 178376), (226, 89188), (452, 44594), (904, 22297), (1243, 16216), (2027, 9944), (2486, 8108), (4054, 4972)]