2020711

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 2692224

約数和(自身を除く): 671513

約数列:

[1, 7, 11, 23, 49, 77, 161, 163, 253, 539, 1127, 1141, 1771, 1793, 3749, 7987, 12397, 12551, 26243, 41239, 87857, 183701, 288673, 2020711]

約数ペア:

[(1, 2020711), (7, 288673), (11, 183701), (23, 87857), (49, 41239), (77, 26243), (161, 12551), (163, 12397), (253, 7987), (539, 3749), (1127, 1793), (1141, 1771)]