20180266

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{2063}}^1$

素因数の和:2205

約数の個数: 16

約数和(自身を含む): 31158144

約数和(自身を除く): 10977878

約数列:

[1, 2, 67, 73, 134, 146, 2063, 4126, 4891, 9782, 138221, 150599, 276442, 301198, 10090133, 20180266]

約数ペア:

[(1, 20180266), (2, 10090133), (67, 301198), (73, 276442), (134, 150599), (146, 138221), (2063, 9782), (4126, 4891)]