13957220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17021}}^1$

素因数の和:17071

約数の個数: 24

約数和(自身を含む): 30026808

約数和(自身を除く): 16069588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 17021, 34042, 68084, 85105, 170210, 340420, 697861, 1395722, 2791444, 3489305, 6978610, 13957220]

約数ペア:

[(1, 13957220), (2, 6978610), (4, 3489305), (5, 2791444), (10, 1395722), (20, 697861), (41, 340420), (82, 170210), (164, 85105), (205, 68084), (410, 34042), (820, 17021)]