20538607317

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1\times {\mathrm{1051}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 27861672960

約数和(自身を除く): 7323065643

約数列:

[1, 3, 151, 179, 241, 453, 537, 723, 1051, 3153, 27029, 36391, 43139, 81087, 109173, 129417, 158701, 188129, 253291, 476103, 564387, 759873, 6513989, 19541967, 28407479, 38246941, 45339089, 85222437, 114740823, 136017267, 6846202439, 20538607317]

約数ペア:

[(1, 20538607317), (3, 6846202439), (151, 136017267), (179, 114740823), (241, 85222437), (453, 45339089), (537, 38246941), (723, 28407479), (1051, 19541967), (3153, 6513989), (27029, 759873), (36391, 564387), (43139, 476103), (81087, 253291), (109173, 188129), (129417, 158701)]