20017866

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13187}}^1$

素因数の和:13226

約数の個数: 32

約数和(自身を含む): 45577728

約数和(自身を除く): 25559862

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13187, 26374, 39561, 79122, 145057, 290114, 303301, 435171, 606602, 870342, 909903, 1819806, 3336311, 6672622, 10008933, 20017866]

約数ペア:

[(1, 20017866), (2, 10008933), (3, 6672622), (6, 3336311), (11, 1819806), (22, 909903), (23, 870342), (33, 606602), (46, 435171), (66, 303301), (69, 290114), (138, 145057), (253, 79122), (506, 39561), (759, 26374), (1518, 13187)]