20460045

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31721}}^1$

素因数の和:31772

約数の個数: 16

約数和(自身を含む): 33498432

約数和(自身を除く): 13038387

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31721, 95163, 158605, 475815, 1364003, 4092009, 6820015, 20460045]

約数ペア:

[(1, 20460045), (3, 6820015), (5, 4092009), (15, 1364003), (43, 475815), (129, 158605), (215, 95163), (645, 31721)]