20792805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5521

約数の個数: 32

約数和(自身を含む): 37877760

約数和(自身を除く): 17084955

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5479, 16437, 27395, 60269, 82185, 126017, 180807, 301345, 378051, 630085, 904035, 1386187, 1890255, 4158561, 6930935, 20792805]

約数ペア:

[(1, 20792805), (3, 6930935), (5, 4158561), (11, 1890255), (15, 1386187), (23, 904035), (33, 630085), (55, 378051), (69, 301345), (115, 180807), (165, 126017), (253, 82185), (345, 60269), (759, 27395), (1265, 16437), (3795, 5479)]