22585220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{161323}}^1$

素因数の和:161339

約数の個数: 24

約数和(自身を含む): 54204864

約数和(自身を除く): 31619644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 161323, 322646, 645292, 806615, 1129261, 1613230, 2258522, 3226460, 4517044, 5646305, 11292610, 22585220]

約数ペア:

[(1, 22585220), (2, 11292610), (4, 5646305), (5, 4517044), (7, 3226460), (10, 2258522), (14, 1613230), (20, 1129261), (28, 806615), (35, 645292), (70, 322646), (140, 161323)]