20175856839

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17377999}}^1$

素因数の和:17378051

約数の個数: 16

約数和(自身を含む): 30585280000

約数和(自身を除く): 10409423161

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17377999, 52133997, 156401991, 469205973, 747253957, 2241761871, 6725285613, 20175856839]

約数ペア:

[(1, 20175856839), (3, 6725285613), (9, 2241761871), (27, 747253957), (43, 469205973), (129, 156401991), (387, 52133997), (1161, 17377999)]