2078232020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1251947}}^1$

素因数の和:1252039

約数の個数: 24

約数和(自身を含む): 4416872544

約数和(自身を除く): 2338640524

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 1251947, 2503894, 5007788, 6259735, 12519470, 25038940, 103911601, 207823202, 415646404, 519558005, 1039116010, 2078232020]

約数ペア:

[(1, 2078232020), (2, 1039116010), (4, 519558005), (5, 415646404), (10, 207823202), (20, 103911601), (83, 25038940), (166, 12519470), (332, 6259735), (415, 5007788), (830, 2503894), (1660, 1251947)]