20658261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1229}}^1$

素因数の和:1676

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 9097899

約数列:

[1, 3, 13, 39, 431, 1229, 1293, 3687, 5603, 15977, 16809, 47931, 529699, 1589097, 6886087, 20658261]

約数ペア:

[(1, 20658261), (3, 6886087), (13, 1589097), (39, 529699), (431, 47931), (1229, 16809), (1293, 15977), (3687, 5603)]