20903600560

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2057441}}^1$

素因数の和:2057581

約数の個数: 40

約数和(自身を含む): 48983579136

約数和(自身を除く): 28079978576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 2057441, 4114882, 8229764, 10287205, 16459528, 20574410, 32919056, 41148820, 82297640, 164595280, 261295007, 522590014, 1045180028, 1306475035, 2090360056, 2612950070, 4180720112, 5225900140, 10451800280, 20903600560]

約数ペア:

[(1, 20903600560), (2, 10451800280), (4, 5225900140), (5, 4180720112), (8, 2612950070), (10, 2090360056), (16, 1306475035), (20, 1045180028), (40, 522590014), (80, 261295007), (127, 164595280), (254, 82297640), (508, 41148820), (635, 32919056), (1016, 20574410), (1270, 16459528), (2032, 10287205), (2540, 8229764), (5080, 4114882), (10160, 2057441)]