20121666

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{431}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 41803776

約数和(自身を除く): 21682110

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 251, 431, 502, 753, 862, 1293, 1506, 2586, 7781, 13361, 15562, 23343, 26722, 40083, 46686, 80166, 108181, 216362, 324543, 649086, 3353611, 6707222, 10060833, 20121666]

約数ペア:

[(1, 20121666), (2, 10060833), (3, 6707222), (6, 3353611), (31, 649086), (62, 324543), (93, 216362), (186, 108181), (251, 80166), (431, 46686), (502, 40083), (753, 26722), (862, 23343), (1293, 15562), (1506, 13361), (2586, 7781)]