20138206581

素因数分解:

$3^3\times {\mathrm{1493}}^1\times {\mathrm{499571}}^1$

素因数の和:501073

約数の個数: 16

約数和(自身を含む): 29854422720

約数和(自身を除く): 9716216139

約数列:

[1, 3, 9, 27, 1493, 4479, 13437, 40311, 499571, 1498713, 4496139, 13488417, 745859503, 2237578509, 6712735527, 20138206581]

約数ペア:

[(1, 20138206581), (3, 6712735527), (9, 2237578509), (27, 745859503), (1493, 13488417), (4479, 4496139), (13437, 1498713), (40311, 499571)]