20208860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144349}}^1$

素因数の和:144365

約数の個数: 24

約数和(自身を含む): 48501600

約数和(自身を除く): 28292740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144349, 288698, 577396, 721745, 1010443, 1443490, 2020886, 2886980, 4041772, 5052215, 10104430, 20208860]

約数ペア:

[(1, 20208860), (2, 10104430), (4, 5052215), (5, 4041772), (7, 2886980), (10, 2020886), (14, 1443490), (20, 1010443), (28, 721745), (35, 577396), (70, 288698), (140, 144349)]