20874166

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{919}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 32225760

約数和(自身を除く): 11351594

約数列:

[1, 2, 41, 82, 277, 554, 919, 1838, 11357, 22714, 37679, 75358, 254563, 509126, 10437083, 20874166]

約数ペア:

[(1, 20874166), (2, 10437083), (41, 509126), (82, 254563), (277, 75358), (554, 37679), (919, 22714), (1838, 11357)]