20131471780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143796227}}^1$

素因数の和:143796243

約数の個数: 24

約数和(自身を含む): 48315532608

約数和(自身を除く): 28184060828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143796227, 287592454, 575184908, 718981135, 1006573589, 1437962270, 2013147178, 2875924540, 4026294356, 5032867945, 10065735890, 20131471780]

約数ペア:

[(1, 20131471780), (2, 10065735890), (4, 5032867945), (5, 4026294356), (7, 2875924540), (10, 2013147178), (14, 1437962270), (20, 1006573589), (28, 718981135), (35, 575184908), (70, 287592454), (140, 143796227)]