20038431

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30781}}^1$

素因数の和:30822

約数の個数: 16

約数和(自身を含む): 31520768

約数和(自身を除く): 11482337

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30781, 92343, 215467, 646401, 954211, 2862633, 6679477, 20038431]

約数ペア:

[(1, 20038431), (3, 6679477), (7, 2862633), (21, 954211), (31, 646401), (93, 215467), (217, 92343), (651, 30781)]