20167816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 40032000

約数和(自身を除く): 19864184

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 277, 479, 554, 958, 1108, 1916, 2216, 3832, 5263, 9101, 10526, 18202, 21052, 36404, 42104, 72808, 132683, 265366, 530732, 1061464, 2520977, 5041954, 10083908, 20167816]

約数ペア:

[(1, 20167816), (2, 10083908), (4, 5041954), (8, 2520977), (19, 1061464), (38, 530732), (76, 265366), (152, 132683), (277, 72808), (479, 42104), (554, 36404), (958, 21052), (1108, 18202), (1916, 10526), (2216, 9101), (3832, 5263)]