20179933218

素因数分解:

$2^1\times 3^4\times {\mathrm{109}}^1\times {\mathrm{1142821}}^1$

素因数の和:1142944

約数の個数: 40

約数和(自身を含む): 45632882460

約数和(自身を除く): 25452949242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 109, 162, 218, 327, 654, 981, 1962, 2943, 5886, 8829, 17658, 1142821, 2285642, 3428463, 6856926, 10285389, 20570778, 30856167, 61712334, 92568501, 124567489, 185137002, 249134978, 373702467, 747404934, 1121107401, 2242214802, 3363322203, 6726644406, 10089966609, 20179933218]

約数ペア:

[(1, 20179933218), (2, 10089966609), (3, 6726644406), (6, 3363322203), (9, 2242214802), (18, 1121107401), (27, 747404934), (54, 373702467), (81, 249134978), (109, 185137002), (162, 124567489), (218, 92568501), (327, 61712334), (654, 30856167), (981, 20570778), (1962, 10285389), (2943, 6856926), (5886, 3428463), (8829, 2285642), (17658, 1142821)]