20879906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{11071}}^1$

素因数の和:11137

約数の個数: 16

約数和(自身を含む): 33481728

約数和(自身を除く): 12601822

約数列:

[1, 2, 23, 41, 46, 82, 943, 1886, 11071, 22142, 254633, 453911, 509266, 907822, 10439953, 20879906]

約数ペア:

[(1, 20879906), (2, 10439953), (23, 907822), (41, 509266), (46, 453911), (82, 254633), (943, 22142), (1886, 11071)]