20340376

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8447}}^1$

素因数の和:8503

約数の個数: 32

約数和(自身を含む): 44605440

約数和(自身を除く): 24265064

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8447, 16894, 33788, 59129, 67576, 118258, 236516, 363221, 473032, 726442, 1452884, 2542547, 2905768, 5085094, 10170188, 20340376]

約数ペア:

[(1, 20340376), (2, 10170188), (4, 5085094), (7, 2905768), (8, 2542547), (14, 1452884), (28, 726442), (43, 473032), (56, 363221), (86, 236516), (172, 118258), (301, 67576), (344, 59129), (602, 33788), (1204, 16894), (2408, 8447)]