20614790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42071}}^1$

素因数の和:42092

約数の個数: 24

約数和(自身を含む): 43165872

約数和(自身を除く): 22551082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42071, 84142, 210355, 294497, 420710, 588994, 1472485, 2061479, 2944970, 4122958, 10307395, 20614790]

約数ペア:

[(1, 20614790), (2, 10307395), (5, 4122958), (7, 2944970), (10, 2061479), (14, 1472485), (35, 588994), (49, 420710), (70, 294497), (98, 210355), (245, 84142), (490, 42071)]