20683818

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 47567520

約数和(自身を除く): 26883702

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 197, 307, 342, 394, 591, 614, 921, 1182, 1773, 1842, 2763, 3546, 3743, 5526, 5833, 7486, 11229, 11666, 17499, 22458, 33687, 34998, 52497, 60479, 67374, 104994, 120958, 181437, 362874, 544311, 1088622, 1149101, 2298202, 3447303, 6894606, 10341909, 20683818]

約数ペア:

[(1, 20683818), (2, 10341909), (3, 6894606), (6, 3447303), (9, 2298202), (18, 1149101), (19, 1088622), (38, 544311), (57, 362874), (114, 181437), (171, 120958), (197, 104994), (307, 67374), (342, 60479), (394, 52497), (591, 34998), (614, 33687), (921, 22458), (1182, 17499), (1773, 11666), (1842, 11229), (2763, 7486), (3546, 5833), (3743, 5526)]