20790140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148501}}^1$

素因数の和:148517

約数の個数: 24

約数和(自身を含む): 49896672

約数和(自身を除く): 29106532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148501, 297002, 594004, 742505, 1039507, 1485010, 2079014, 2970020, 4158028, 5197535, 10395070, 20790140]

約数ペア:

[(1, 20790140), (2, 10395070), (4, 5197535), (5, 4158028), (7, 2970020), (10, 2079014), (14, 1485010), (20, 1039507), (28, 742505), (35, 594004), (70, 297002), (140, 148501)]