20156344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193811}}^1$

素因数の和:193830

約数の個数: 16

約数和(自身を含む): 40700520

約数和(自身を除く): 20544176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193811, 387622, 775244, 1550488, 2519543, 5039086, 10078172, 20156344]

約数ペア:

[(1, 20156344), (2, 10078172), (4, 5039086), (8, 2519543), (13, 1550488), (26, 775244), (52, 387622), (104, 193811)]