20107390

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2029}}^1$

素因数の和:3027

約数の個数: 16

約数和(自身を含む): 36247680

約数和(自身を除く): 16140290

約数列:

[1, 2, 5, 10, 991, 1982, 2029, 4058, 4955, 9910, 10145, 20290, 2010739, 4021478, 10053695, 20107390]

約数ペア:

[(1, 20107390), (2, 10053695), (5, 4021478), (10, 2010739), (991, 20290), (1982, 10145), (2029, 9910), (4058, 4955)]