20696886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{593}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 51521184

約数和(自身を除く): 30824298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 277, 554, 593, 831, 1186, 1662, 1779, 1939, 2493, 3558, 3878, 4151, 4986, 5337, 5817, 8302, 10674, 11634, 12453, 17451, 24906, 34902, 37359, 74718, 164261, 328522, 492783, 985566, 1149827, 1478349, 2299654, 2956698, 3449481, 6898962, 10348443, 20696886]

約数ペア:

[(1, 20696886), (2, 10348443), (3, 6898962), (6, 3449481), (7, 2956698), (9, 2299654), (14, 1478349), (18, 1149827), (21, 985566), (42, 492783), (63, 328522), (126, 164261), (277, 74718), (554, 37359), (593, 34902), (831, 24906), (1186, 17451), (1662, 12453), (1779, 11634), (1939, 10674), (2493, 8302), (3558, 5817), (3878, 5337), (4151, 4986)]