20427778

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{85831}}^1$

素因数の和:85857

約数の個数: 16

約数和(自身を含む): 37079424

約数和(自身を除く): 16651646

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 85831, 171662, 600817, 1201634, 1459127, 2918254, 10213889, 20427778]

約数ペア:

[(1, 20427778), (2, 10213889), (7, 2918254), (14, 1459127), (17, 1201634), (34, 600817), (119, 171662), (238, 85831)]