20689174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22937}}^1$

素因数の和:22991

約数の個数: 16

約数和(自身を含む): 34682256

約数和(自身を除く): 13993082

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22937, 45874, 252307, 504614, 940417, 1880834, 10344587, 20689174]

約数ペア:

[(1, 20689174), (2, 10344587), (11, 1880834), (22, 940417), (41, 504614), (82, 252307), (451, 45874), (902, 22937)]