20080686105

素因数分解:

$3^4\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{32009}}^1$

素因数の和:33575

約数の個数: 40

約数和(自身を含む): 36020853000

約数和(自身を除く): 15940166895

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1549, 4647, 7745, 13941, 23235, 32009, 41823, 69705, 96027, 125469, 160045, 209115, 288081, 480135, 627345, 864243, 1440405, 2592729, 4321215, 12963645, 49581941, 148745823, 247909705, 446237469, 743729115, 1338712407, 2231187345, 4016137221, 6693562035, 20080686105]

約数ペア:

[(1, 20080686105), (3, 6693562035), (5, 4016137221), (9, 2231187345), (15, 1338712407), (27, 743729115), (45, 446237469), (81, 247909705), (135, 148745823), (405, 49581941), (1549, 12963645), (4647, 4321215), (7745, 2592729), (13941, 1440405), (23235, 864243), (32009, 627345), (41823, 480135), (69705, 288081), (96027, 209115), (125469, 160045)]