20019208

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20681}}^1$

素因数の和:20709

約数の個数: 24

約数和(自身を含む): 41260590

約数和(自身を除く): 21241382

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20681, 41362, 82724, 165448, 227491, 454982, 909964, 1819928, 2502401, 5004802, 10009604, 20019208]

約数ペア:

[(1, 20019208), (2, 10009604), (4, 5004802), (8, 2502401), (11, 1819928), (22, 909964), (44, 454982), (88, 227491), (121, 165448), (242, 82724), (484, 41362), (968, 20681)]