20697864

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{78401}}^1$

素因数の和:78421

約数の個数: 32

約数和(自身を含む): 56449440

約数和(自身を除く): 35751576

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 78401, 156802, 235203, 313604, 470406, 627208, 862411, 940812, 1724822, 1881624, 2587233, 3449644, 5174466, 6899288, 10348932, 20697864]

約数ペア:

[(1, 20697864), (2, 10348932), (3, 6899288), (4, 5174466), (6, 3449644), (8, 2587233), (11, 1881624), (12, 1724822), (22, 940812), (24, 862411), (33, 627208), (44, 470406), (66, 313604), (88, 235203), (132, 156802), (264, 78401)]