20574235

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 28038528

約数和(自身を除く): 7464293

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1097, 1705, 3751, 5485, 12067, 18755, 34007, 60335, 132737, 170035, 374077, 663685, 1870385, 4114847, 20574235]

約数ペア:

[(1, 20574235), (5, 4114847), (11, 1870385), (31, 663685), (55, 374077), (121, 170035), (155, 132737), (341, 60335), (605, 34007), (1097, 18755), (1705, 12067), (3751, 5485)]