20343786129

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{31836911}}^1$

素因数の和:31836988

約数の個数: 12

約数和(自身を含む): 29799349632

約数和(自身を除く): 9455563503

約数列:

[1, 3, 9, 71, 213, 639, 31836911, 95510733, 286532199, 2260420681, 6781262043, 20343786129]

約数ペア:

[(1, 20343786129), (3, 6781262043), (9, 2260420681), (71, 286532199), (213, 95510733), (639, 31836911)]