20239977

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1489}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 28321920

約数和(自身を除く): 8081943

約数列:

[1, 3, 23, 69, 197, 591, 1489, 4467, 4531, 13593, 34247, 102741, 293333, 879999, 6746659, 20239977]

約数ペア:

[(1, 20239977), (3, 6746659), (23, 879999), (69, 293333), (197, 102741), (591, 34247), (1489, 13593), (4467, 4531)]