20831853

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9631}}^1$

素因数の和:9744

約数の個数: 16

約数和(自身を含む): 32055296

約数和(自身を除く): 11223443

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9631, 28893, 67417, 202251, 991993, 2975979, 6943951, 20831853]

約数ペア:

[(1, 20831853), (3, 6943951), (7, 2975979), (21, 991993), (103, 202251), (309, 67417), (721, 28893), (2163, 9631)]