20662774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 34953120

約数和(自身を除く): 14290346

約数列:

[1, 2, 11, 22, 61, 89, 122, 173, 178, 346, 671, 979, 1342, 1903, 1958, 3806, 5429, 10553, 10858, 15397, 21106, 30794, 59719, 116083, 119438, 169367, 232166, 338734, 939217, 1878434, 10331387, 20662774]

約数ペア:

[(1, 20662774), (2, 10331387), (11, 1878434), (22, 939217), (61, 338734), (89, 232166), (122, 169367), (173, 119438), (178, 116083), (346, 59719), (671, 30794), (979, 21106), (1342, 15397), (1903, 10858), (1958, 10553), (3806, 5429)]