20162849260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{554839}}^1$

素因数の和:554950

約数の個数: 48

約数和(自身を含む): 44742297600

約数和(自身を除く): 24579448340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 3634, 7268, 9085, 18170, 36340, 554839, 1109678, 2219356, 2774195, 5548390, 11096780, 12761297, 25522594, 43832281, 51045188, 63806485, 87664562, 127612970, 175329124, 219161405, 255225940, 438322810, 876645620, 1008142463, 2016284926, 4032569852, 5040712315, 10081424630, 20162849260]

約数ペア:

[(1, 20162849260), (2, 10081424630), (4, 5040712315), (5, 4032569852), (10, 2016284926), (20, 1008142463), (23, 876645620), (46, 438322810), (79, 255225940), (92, 219161405), (115, 175329124), (158, 127612970), (230, 87664562), (316, 63806485), (395, 51045188), (460, 43832281), (790, 25522594), (1580, 12761297), (1817, 11096780), (3634, 5548390), (7268, 2774195), (9085, 2219356), (18170, 1109678), (36340, 554839)]