19962460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{142589}}^1$

素因数の和:142605

約数の個数: 24

約数和(自身を含む): 47910240

約数和(自身を除く): 27947780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 142589, 285178, 570356, 712945, 998123, 1425890, 1996246, 2851780, 3992492, 4990615, 9981230, 19962460]

約数ペア:

[(1, 19962460), (2, 9981230), (4, 4990615), (5, 3992492), (7, 2851780), (10, 1996246), (14, 1425890), (20, 998123), (28, 712945), (35, 570356), (70, 285178), (140, 142589)]