20539922

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1002

約数の個数: 24

約数和(自身を含む): 33897456

約数和(自身を除く): 13357534

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 907, 1742, 1814, 11323, 11791, 22646, 23582, 60769, 121538, 153283, 306566, 789997, 1579994, 10269961, 20539922]

約数ペア:

[(1, 20539922), (2, 10269961), (13, 1579994), (26, 789997), (67, 306566), (134, 153283), (169, 121538), (338, 60769), (871, 23582), (907, 22646), (1742, 11791), (1814, 11323)]