22109740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 48609792

約数和(自身を除く): 26500052

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 547, 860, 940, 1094, 2021, 2188, 2735, 4042, 5470, 8084, 10105, 10940, 20210, 23521, 25709, 40420, 47042, 51418, 94084, 102836, 117605, 128545, 235210, 257090, 470420, 514180, 1105487, 2210974, 4421948, 5527435, 11054870, 22109740]

約数ペア:

[(1, 22109740), (2, 11054870), (4, 5527435), (5, 4421948), (10, 2210974), (20, 1105487), (43, 514180), (47, 470420), (86, 257090), (94, 235210), (172, 128545), (188, 117605), (215, 102836), (235, 94084), (430, 51418), (470, 47042), (547, 40420), (860, 25709), (940, 23521), (1094, 20210), (2021, 10940), (2188, 10105), (2735, 8084), (4042, 5470)]