20897880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174149}}^1$

素因数の和:174163

約数の個数: 32

約数和(自身を含む): 62694000

約数和(自身を除く): 41796120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174149, 348298, 522447, 696596, 870745, 1044894, 1393192, 1741490, 2089788, 2612235, 3482980, 4179576, 5224470, 6965960, 10448940, 20897880]

約数ペア:

[(1, 20897880), (2, 10448940), (3, 6965960), (4, 5224470), (5, 4179576), (6, 3482980), (8, 2612235), (10, 2089788), (12, 1741490), (15, 1393192), (20, 1044894), (24, 870745), (30, 696596), (40, 522447), (60, 348298), (120, 174149)]