20975354

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13463}}^1$

素因数の和:13525

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 12953926

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13463, 26926, 255797, 511594, 551983, 1103966, 10487677, 20975354]

約数ペア:

[(1, 20975354), (2, 10487677), (19, 1103966), (38, 551983), (41, 511594), (82, 255797), (779, 26926), (1558, 13463)]