15359420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18731}}^1$

素因数の和:18781

約数の個数: 24

約数和(自身を含む): 33043248

約数和(自身を除く): 17683828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 18731, 37462, 74924, 93655, 187310, 374620, 767971, 1535942, 3071884, 3839855, 7679710, 15359420]

約数ペア:

[(1, 15359420), (2, 7679710), (4, 3839855), (5, 3071884), (10, 1535942), (20, 767971), (41, 374620), (82, 187310), (164, 93655), (205, 74924), (410, 37462), (820, 18731)]