20777029

素因数分解:

$7^2\times {\mathrm{13}}^3\times {\mathrm{193}}^1$

素因数の和:246

約数の個数: 24

約数和(自身を含む): 26318040

約数和(自身を除く): 5541011

約数列:

[1, 7, 13, 49, 91, 169, 193, 637, 1183, 1351, 2197, 2509, 8281, 9457, 15379, 17563, 32617, 107653, 122941, 228319, 424021, 1598233, 2968147, 20777029]

約数ペア:

[(1, 20777029), (7, 2968147), (13, 1598233), (49, 424021), (91, 228319), (169, 122941), (193, 107653), (637, 32617), (1183, 17563), (1351, 15379), (2197, 9457), (2509, 8281)]