20426376

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19793}}^1$

素因数の和:19845

約数の個数: 32

約数和(自身を含む): 52256160

約数和(自身を除く): 31829784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19793, 39586, 59379, 79172, 118758, 158344, 237516, 475032, 851099, 1702198, 2553297, 3404396, 5106594, 6808792, 10213188, 20426376]

約数ペア:

[(1, 20426376), (2, 10213188), (3, 6808792), (4, 5106594), (6, 3404396), (8, 2553297), (12, 1702198), (24, 851099), (43, 475032), (86, 237516), (129, 158344), (172, 118758), (258, 79172), (344, 59379), (516, 39586), (1032, 19793)]