20685896

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33581}}^1$

素因数の和:33605

約数の個数: 32

約数和(自身を含む): 48358080

約数和(自身を除く): 27672184

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33581, 67162, 134324, 235067, 268648, 369391, 470134, 738782, 940268, 1477564, 1880536, 2585737, 2955128, 5171474, 10342948, 20685896]

約数ペア:

[(1, 20685896), (2, 10342948), (4, 5171474), (7, 2955128), (8, 2585737), (11, 1880536), (14, 1477564), (22, 940268), (28, 738782), (44, 470134), (56, 369391), (77, 268648), (88, 235067), (154, 134324), (308, 67162), (616, 33581)]