20155003215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31248067}}^1$

素因数の和:31248118

約数の個数: 16

約数和(自身を含む): 32997959808

約数和(自身を除く): 12842956593

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31248067, 93744201, 156240335, 468721005, 1343666881, 4031000643, 6718334405, 20155003215]

約数ペア:

[(1, 20155003215), (3, 6718334405), (5, 4031000643), (15, 1343666881), (43, 468721005), (129, 156240335), (215, 93744201), (645, 31248067)]