20680051390

素因数分解:

$2^1\times 5^1\times {\mathrm{15149}}^1\times {\mathrm{136511}}^1$

素因数の和:151667

約数の個数: 16

約数和(自身を含む): 37226822400

約数和(自身を除く): 16546771010

約数列:

[1, 2, 5, 10, 15149, 30298, 75745, 136511, 151490, 273022, 682555, 1365110, 2068005139, 4136010278, 10340025695, 20680051390]

約数ペア:

[(1, 20680051390), (2, 10340025695), (5, 4136010278), (10, 2068005139), (15149, 1365110), (30298, 682555), (75745, 273022), (136511, 151490)]