20946951

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 11885049

約数列:

[1, 3, 9, 23, 27, 69, 89, 207, 267, 379, 621, 801, 1137, 2047, 2403, 3411, 6141, 8717, 10233, 18423, 26151, 33731, 55269, 78453, 101193, 235359, 303579, 775813, 910737, 2327439, 6982317, 20946951]

約数ペア:

[(1, 20946951), (3, 6982317), (9, 2327439), (23, 910737), (27, 775813), (69, 303579), (89, 235359), (207, 101193), (267, 78453), (379, 55269), (621, 33731), (801, 26151), (1137, 18423), (2047, 10233), (2403, 8717), (3411, 6141)]