20481303

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 27993600

約数和(自身を除く): 7512297

約数列:

[1, 3, 79, 89, 237, 267, 971, 2913, 7031, 21093, 76709, 86419, 230127, 259257, 6827101, 20481303]

約数ペア:

[(1, 20481303), (3, 6827101), (79, 259257), (89, 230127), (237, 86419), (267, 76709), (971, 21093), (2913, 7031)]