20818983

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1031}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 28532736

約数和(自身を除く): 7713753

約数列:

[1, 3, 53, 127, 159, 381, 1031, 3093, 6731, 20193, 54643, 130937, 163929, 392811, 6939661, 20818983]

約数ペア:

[(1, 20818983), (3, 6939661), (53, 392811), (127, 163929), (159, 130937), (381, 54643), (1031, 20193), (3093, 6731)]