20176743573

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{897103}}^1$

素因数の和:897143

約数の個数: 48

約数和(自身を含む): 36817148160

約数和(自身を除く): 16640404587

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 357, 441, 459, 833, 1071, 1323, 2499, 3213, 7497, 22491, 897103, 2691309, 6279721, 8073927, 15250751, 18839163, 24221781, 43958047, 45752253, 56517489, 106755257, 131874141, 137256759, 169552467, 320265771, 395622423, 411770277, 747286799, 960797313, 1186867269, 2241860397, 2882391939, 6725581191, 20176743573]

約数ペア:

[(1, 20176743573), (3, 6725581191), (7, 2882391939), (9, 2241860397), (17, 1186867269), (21, 960797313), (27, 747286799), (49, 411770277), (51, 395622423), (63, 320265771), (119, 169552467), (147, 137256759), (153, 131874141), (189, 106755257), (357, 56517489), (441, 45752253), (459, 43958047), (833, 24221781), (1071, 18839163), (1323, 15250751), (2499, 8073927), (3213, 6279721), (7497, 2691309), (22491, 897103)]