20166670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 37630656

約数和(自身を除く): 17463986

約数列:

[1, 2, 5, 10, 41, 82, 101, 202, 205, 410, 487, 505, 974, 1010, 2435, 4141, 4870, 8282, 19967, 20705, 39934, 41410, 49187, 98374, 99835, 199670, 245935, 491870, 2016667, 4033334, 10083335, 20166670]

約数ペア:

[(1, 20166670), (2, 10083335), (5, 4033334), (10, 2016667), (41, 491870), (82, 245935), (101, 199670), (202, 99835), (205, 98374), (410, 49187), (487, 41410), (505, 39934), (974, 20705), (1010, 19967), (2435, 8282), (4141, 4870)]