20651178

素因数分解:

$2^1\times 3^1\times {\mathrm{523}}^1\times {\mathrm{6581}}^1$

素因数の和:7109

約数の個数: 16

約数和(自身を含む): 41387616

約数和(自身を除く): 20736438

約数列:

[1, 2, 3, 6, 523, 1046, 1569, 3138, 6581, 13162, 19743, 39486, 3441863, 6883726, 10325589, 20651178]

約数ペア:

[(1, 20651178), (2, 10325589), (3, 6883726), (6, 3441863), (523, 39486), (1046, 19743), (1569, 13162), (3138, 6581)]