20039075

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2663}}^1$

素因数の和:2723

約数の個数: 24

約数和(自身を含む): 29069568

約数和(自身を除く): 9030493

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 301, 1075, 1505, 2663, 7525, 13315, 18641, 66575, 93205, 114509, 466025, 572545, 801563, 2862725, 4007815, 20039075]

約数ペア:

[(1, 20039075), (5, 4007815), (7, 2862725), (25, 801563), (35, 572545), (43, 466025), (175, 114509), (215, 93205), (301, 66575), (1075, 18641), (1505, 13315), (2663, 7525)]