20090140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143501}}^1$

素因数の和:143517

約数の個数: 24

約数和(自身を含む): 48216672

約数和(自身を除く): 28126532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143501, 287002, 574004, 717505, 1004507, 1435010, 2009014, 2870020, 4018028, 5022535, 10045070, 20090140]

約数ペア:

[(1, 20090140), (2, 10045070), (4, 5022535), (5, 4018028), (7, 2870020), (10, 2009014), (14, 1435010), (20, 1004507), (28, 717505), (35, 574004), (70, 287002), (140, 143501)]