20966960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37441}}^1$

素因数の和:37461

約数の個数: 40

約数和(自身を含む): 55713696

約数和(自身を除く): 34746736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37441, 74882, 149764, 187205, 262087, 299528, 374410, 524174, 599056, 748820, 1048348, 1310435, 1497640, 2096696, 2620870, 2995280, 4193392, 5241740, 10483480, 20966960]

約数ペア:

[(1, 20966960), (2, 10483480), (4, 5241740), (5, 4193392), (7, 2995280), (8, 2620870), (10, 2096696), (14, 1497640), (16, 1310435), (20, 1048348), (28, 748820), (35, 599056), (40, 524174), (56, 374410), (70, 299528), (80, 262087), (112, 187205), (140, 149764), (280, 74882), (560, 37441)]