20138757951

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{112771}}^1$

素因数の和:113047

約数の個数: 32

約数和(自身を含む): 30565722880

約数和(自身を除く): 10426964929

約数列:

[1, 3, 13, 19, 39, 57, 241, 247, 723, 741, 3133, 4579, 9399, 13737, 59527, 112771, 178581, 338313, 1466023, 2142649, 4398069, 6427947, 27177811, 27854437, 81533433, 83563311, 353311543, 516378409, 1059934629, 1549135227, 6712919317, 20138757951]

約数ペア:

[(1, 20138757951), (3, 6712919317), (13, 1549135227), (19, 1059934629), (39, 516378409), (57, 353311543), (241, 83563311), (247, 81533433), (723, 27854437), (741, 27177811), (3133, 6427947), (4579, 4398069), (9399, 2142649), (13737, 1466023), (59527, 338313), (112771, 178581)]