20390451

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{1051}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 28277760

約数和(自身を除く): 7887309

約数列:

[1, 3, 29, 87, 223, 669, 1051, 3153, 6467, 19401, 30479, 91437, 234373, 703119, 6796817, 20390451]

約数ペア:

[(1, 20390451), (3, 6796817), (29, 703119), (87, 234373), (223, 91437), (669, 30479), (1051, 19401), (3153, 6467)]