20711372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{27689}}^1$

素因数の和:27721

約数の個数: 24

約数和(自身を含む): 41867280

約数和(自身を除く): 21155908

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 27689, 55378, 110756, 304579, 470713, 609158, 941426, 1218316, 1882852, 5177843, 10355686, 20711372]

約数ペア:

[(1, 20711372), (2, 10355686), (4, 5177843), (11, 1882852), (17, 1218316), (22, 941426), (34, 609158), (44, 470713), (68, 304579), (187, 110756), (374, 55378), (748, 27689)]