20265413

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2072

約数の個数: 16

約数和(自身を含む): 24428544

約数和(自身を除く): 4163131

約数列:

[1, 7, 31, 47, 217, 329, 1457, 1987, 10199, 13909, 61597, 93389, 431179, 653723, 2895059, 20265413]

約数ペア:

[(1, 20265413), (7, 2895059), (31, 653723), (47, 431179), (217, 93389), (329, 61597), (1457, 13909), (1987, 10199)]