20647302

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8539}}^1$

素因数の和:8588

約数の個数: 32

約数和(自身を含む): 45911040

約数和(自身を除く): 25263738

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8539, 17078, 25617, 51234, 111007, 222014, 264709, 333021, 529418, 666042, 794127, 1588254, 3441217, 6882434, 10323651, 20647302]

約数ペア:

[(1, 20647302), (2, 10323651), (3, 6882434), (6, 3441217), (13, 1588254), (26, 794127), (31, 666042), (39, 529418), (62, 333021), (78, 264709), (93, 222014), (186, 111007), (403, 51234), (806, 25617), (1209, 17078), (2418, 8539)]