20235635987

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 25061760000

約数和(自身を除く): 4826124013

約数列:

[1, 7, 19, 49, 133, 199, 239, 457, 931, 1393, 1673, 3199, 3781, 4541, 8683, 9751, 11711, 22393, 26467, 31787, 47561, 60781, 90943, 109223, 185269, 222509, 332927, 425467, 636601, 764561, 903659, 1727917, 2075237, 2330489, 4456207, 5351927, 6325613, 12095419, 14526659, 21735377, 44279291, 84667933, 101686613, 152147639, 412972163, 1065033473, 2890805141, 20235635987]

約数ペア:

[(1, 20235635987), (7, 2890805141), (19, 1065033473), (49, 412972163), (133, 152147639), (199, 101686613), (239, 84667933), (457, 44279291), (931, 21735377), (1393, 14526659), (1673, 12095419), (3199, 6325613), (3781, 5351927), (4541, 4456207), (8683, 2330489), (9751, 2075237), (11711, 1727917), (22393, 903659), (26467, 764561), (31787, 636601), (47561, 425467), (60781, 332927), (90943, 222509), (109223, 185269)]