20804950

素因数分解:

$2^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{1741}}^1$

素因数の和:1992

約数の個数: 24

約数和(自身を含む): 38881440

約数和(自身を除く): 18076490

約数列:

[1, 2, 5, 10, 25, 50, 239, 478, 1195, 1741, 2390, 3482, 5975, 8705, 11950, 17410, 43525, 87050, 416099, 832198, 2080495, 4160990, 10402475, 20804950]

約数ペア:

[(1, 20804950), (2, 10402475), (5, 4160990), (10, 2080495), (25, 832198), (50, 416099), (239, 87050), (478, 43525), (1195, 17410), (1741, 11950), (2390, 8705), (3482, 5975)]