20508724353

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1680079}}^1$

素因数の和:1680408

約数の個数: 16

約数和(自身を含む): 29542526720

約数和(自身を除く): 9033802367

約数列:

[1, 3, 13, 39, 313, 939, 4069, 12207, 1680079, 5040237, 21841027, 65523081, 525864727, 1577594181, 6836241451, 20508724353]

約数ペア:

[(1, 20508724353), (3, 6836241451), (13, 1577594181), (39, 525864727), (313, 65523081), (939, 21841027), (4069, 5040237), (12207, 1680079)]