20249715

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28723}}^1$

素因数の和:28778

約数の個数: 16

約数和(自身を含む): 33090048

約数和(自身を除く): 12840333

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28723, 86169, 143615, 430845, 1349981, 4049943, 6749905, 20249715]

約数ペア:

[(1, 20249715), (3, 6749905), (5, 4049943), (15, 1349981), (47, 430845), (141, 143615), (235, 86169), (705, 28723)]