20125756

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42281}}^1$

素因数の和:42309

約数の個数: 24

約数和(自身を含む): 42620256

約数和(自身を除く): 22494500

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42281, 84562, 169124, 295967, 591934, 718777, 1183868, 1437554, 2875108, 5031439, 10062878, 20125756]

約数ペア:

[(1, 20125756), (2, 10062878), (4, 5031439), (7, 2875108), (14, 1437554), (17, 1183868), (28, 718777), (34, 591934), (68, 295967), (119, 169124), (238, 84562), (476, 42281)]