20719460020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147996143}}^1$

素因数の和:147996159

約数の個数: 24

約数和(自身を含む): 49726704384

約数和(自身を除く): 29007244364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147996143, 295992286, 591984572, 739980715, 1035973001, 1479961430, 2071946002, 2959922860, 4143892004, 5179865005, 10359730010, 20719460020]

約数ペア:

[(1, 20719460020), (2, 10359730010), (4, 5179865005), (5, 4143892004), (7, 2959922860), (10, 2071946002), (14, 1479961430), (20, 1035973001), (28, 739980715), (35, 591984572), (70, 295992286), (140, 147996143)]