20685189

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{6043}}^1$

素因数の和:6216

約数の個数: 16

約数和(自身を含む): 31718912

約数和(自身を除く): 11033723

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 6043, 18129, 42301, 126903, 985009, 2955027, 6895063, 20685189]

約数ペア:

[(1, 20685189), (3, 6895063), (7, 2955027), (21, 985009), (163, 126903), (489, 42301), (1141, 18129), (3423, 6043)]