20114690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 37800000

約数和(自身を除く): 17685310

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 499, 695, 998, 1390, 2495, 4031, 4990, 8062, 14471, 20155, 28942, 40310, 69361, 72355, 138722, 144710, 346805, 693610, 2011469, 4022938, 10057345, 20114690]

約数ペア:

[(1, 20114690), (2, 10057345), (5, 4022938), (10, 2011469), (29, 693610), (58, 346805), (139, 144710), (145, 138722), (278, 72355), (290, 69361), (499, 40310), (695, 28942), (998, 20155), (1390, 14471), (2495, 8062), (4031, 4990)]