20398049301

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57137393}}^1$

素因数の和:57137420

約数の個数: 16

約数和(自身を含む): 32911138944

約数和(自身を除く): 12513089643

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57137393, 171412179, 399961751, 971335681, 1199885253, 2914007043, 6799349767, 20398049301]

約数ペア:

[(1, 20398049301), (3, 6799349767), (7, 2914007043), (17, 1199885253), (21, 971335681), (51, 399961751), (119, 171412179), (357, 57137393)]