20809670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{797}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 42977088

約数和(自身を除く): 22167418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 373, 746, 797, 1594, 1865, 2611, 3730, 3985, 5222, 5579, 7970, 11158, 13055, 26110, 27895, 55790, 297281, 594562, 1486405, 2080967, 2972810, 4161934, 10404835, 20809670]

約数ペア:

[(1, 20809670), (2, 10404835), (5, 4161934), (7, 2972810), (10, 2080967), (14, 1486405), (35, 594562), (70, 297281), (373, 55790), (746, 27895), (797, 26110), (1594, 13055), (1865, 11158), (2611, 7970), (3730, 5579), (3985, 5222)]