20112858

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{1361}}^1$

素因数の和:2190

約数の個数: 24

約数和(自身を含む): 43662996

約数和(自身を除く): 23550138

約数列:

[1, 2, 3, 6, 9, 18, 821, 1361, 1642, 2463, 2722, 4083, 4926, 7389, 8166, 12249, 14778, 24498, 1117381, 2234762, 3352143, 6704286, 10056429, 20112858]

約数ペア:

[(1, 20112858), (2, 10056429), (3, 6704286), (6, 3352143), (9, 2234762), (18, 1117381), (821, 24498), (1361, 14778), (1642, 12249), (2463, 8166), (2722, 7389), (4083, 4926)]