20819174

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3677}}^1$

素因数の和:3847

約数の個数: 16

約数和(自身を含む): 33102000

約数和(自身を除く): 12282826

約数列:

[1, 2, 19, 38, 149, 298, 2831, 3677, 5662, 7354, 69863, 139726, 547873, 1095746, 10409587, 20819174]

約数ペア:

[(1, 20819174), (2, 10409587), (19, 1095746), (38, 547873), (149, 139726), (298, 69863), (2831, 7354), (3677, 5662)]