20473509

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1493}}^1$

素因数の和:2156

約数の個数: 16

約数和(自身を含む): 31266432

約数和(自身を除く): 10792923

約数列:

[1, 3, 7, 21, 653, 1493, 1959, 4479, 4571, 10451, 13713, 31353, 974929, 2924787, 6824503, 20473509]

約数ペア:

[(1, 20473509), (3, 6824503), (7, 2924787), (21, 974929), (653, 31353), (1493, 13713), (1959, 10451), (4479, 4571)]