20199970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288571}}^1$

素因数の和:288585

約数の個数: 16

約数和(自身を含む): 41554368

約数和(自身を除く): 21354398

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288571, 577142, 1442855, 2019997, 2885710, 4039994, 10099985, 20199970]

約数ペア:

[(1, 20199970), (2, 10099985), (5, 4039994), (7, 2885710), (10, 2019997), (14, 1442855), (35, 577142), (70, 288571)]