20384368

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{4019}}^1$

素因数の和:4344

約数の個数: 20

約数和(自身を含む): 39629160

約数和(自身を除く): 19244792

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 4019, 5072, 8038, 16076, 32152, 64304, 1274023, 2548046, 5096092, 10192184, 20384368]

約数ペア:

[(1, 20384368), (2, 10192184), (4, 5096092), (8, 2548046), (16, 1274023), (317, 64304), (634, 32152), (1268, 16076), (2536, 8038), (4019, 5072)]