20951050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14449}}^1$

素因数の和:14490

約数の個数: 24

約数和(自身を含む): 40315500

約数和(自身を除く): 19364450

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14449, 28898, 72245, 144490, 361225, 419021, 722450, 838042, 2095105, 4190210, 10475525, 20951050]

約数ペア:

[(1, 20951050), (2, 10475525), (5, 4190210), (10, 2095105), (25, 838042), (29, 722450), (50, 419021), (58, 361225), (145, 144490), (290, 72245), (725, 28898), (1450, 14449)]