20089749

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 27435008

約数和(自身を除く): 7345259

約数列:

[1, 3, 67, 127, 201, 381, 787, 2361, 8509, 25527, 52729, 99949, 158187, 299847, 6696583, 20089749]

約数ペア:

[(1, 20089749), (3, 6696583), (67, 299847), (127, 158187), (201, 99949), (381, 52729), (787, 25527), (2361, 8509)]