20216979206

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1\times {\mathrm{4157}}^1$

素因数の和:5440

約数の個数: 32

約数和(自身を含む): 31847618880

約数和(自身を除く): 11630639674

約数列:

[1, 2, 29, 58, 71, 142, 1181, 2059, 2362, 4118, 4157, 8314, 34249, 68498, 83851, 120553, 167702, 241106, 295147, 590294, 2431679, 4863358, 4909417, 8559263, 9818834, 17118526, 142373093, 284746186, 348568607, 697137214, 10108489603, 20216979206]

約数ペア:

[(1, 20216979206), (2, 10108489603), (29, 697137214), (58, 348568607), (71, 284746186), (142, 142373093), (1181, 17118526), (2059, 9818834), (2362, 8559263), (4118, 4909417), (4157, 4863358), (8314, 2431679), (34249, 590294), (68498, 295147), (83851, 241106), (120553, 167702)]