20161576505

素因数分解:

$5^1\times 7^2\times {\mathrm{6469}}^1\times {\mathrm{12721}}^1$

素因数の和:19209

約数の個数: 24

約数和(自身を含む): 28150478280

約数和(自身を除く): 7988901775

約数列:

[1, 5, 7, 35, 49, 245, 6469, 12721, 32345, 45283, 63605, 89047, 226415, 316981, 445235, 623329, 1584905, 3116645, 82292149, 411460745, 576045043, 2880225215, 4032315301, 20161576505]

約数ペア:

[(1, 20161576505), (5, 4032315301), (7, 2880225215), (35, 576045043), (49, 411460745), (245, 82292149), (6469, 3116645), (12721, 1584905), (32345, 623329), (45283, 445235), (63605, 316981), (89047, 226415)]