20565196899

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{231379}}^1$

素因数の和:231491

約数の個数: 32

約数和(自身を含む): 30786497280

約数和(自身を除く): 10221300381

約数列:

[1, 3, 13, 39, 43, 53, 129, 159, 559, 689, 1677, 2067, 2279, 6837, 29627, 88881, 231379, 694137, 3007927, 9023781, 9949297, 12263087, 29847891, 36789261, 129340861, 159420131, 388022583, 478260393, 527312741, 1581938223, 6855065633, 20565196899]

約数ペア:

[(1, 20565196899), (3, 6855065633), (13, 1581938223), (39, 527312741), (43, 478260393), (53, 388022583), (129, 159420131), (159, 129340861), (559, 36789261), (689, 29847891), (1677, 12263087), (2067, 9949297), (2279, 9023781), (6837, 3007927), (29627, 694137), (88881, 231379)]