20409766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1451}}^1$

素因数の和:2007

約数の個数: 16

約数和(自身を含む): 33053328

約数和(自身を除く): 12643562

約数列:

[1, 2, 13, 26, 541, 1082, 1451, 2902, 7033, 14066, 18863, 37726, 784991, 1569982, 10204883, 20409766]

約数ペア:

[(1, 20409766), (2, 10204883), (13, 1569982), (26, 784991), (541, 37726), (1082, 18863), (1451, 14066), (2902, 7033)]