202599620

素因数分解:

$2^2\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{4561}}^1$

素因数の和:6791

約数の個数: 24

約数和(自身を含む): 425744088

約数和(自身を除く): 223144468

約数列:

[1, 2, 4, 5, 10, 20, 2221, 4442, 4561, 8884, 9122, 11105, 18244, 22210, 22805, 44420, 45610, 91220, 10129981, 20259962, 40519924, 50649905, 101299810, 202599620]

約数ペア:

[(1, 202599620), (2, 101299810), (4, 50649905), (5, 40519924), (10, 20259962), (20, 10129981), (2221, 91220), (4442, 45610), (4561, 44420), (8884, 22805), (9122, 22210), (11105, 18244)]