20884534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2939}}^1$

素因数の和:2988

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 17217866

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 323, 374, 418, 646, 2939, 3553, 5878, 7106, 32329, 49963, 55841, 64658, 99926, 111682, 549593, 614251, 949297, 1099186, 1228502, 1898594, 10442267, 20884534]

約数ペア:

[(1, 20884534), (2, 10442267), (11, 1898594), (17, 1228502), (19, 1099186), (22, 949297), (34, 614251), (38, 549593), (187, 111682), (209, 99926), (323, 64658), (374, 55841), (418, 49963), (646, 32329), (2939, 7106), (3553, 5878)]