20071984

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17669}}^1$

素因数の和:17748

約数の個数: 20

約数和(自身を含む): 39439440

約数和(自身を除く): 19367456

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17669, 35338, 70676, 141352, 282704, 1254499, 2508998, 5017996, 10035992, 20071984]

約数ペア:

[(1, 20071984), (2, 10035992), (4, 5017996), (8, 2508998), (16, 1254499), (71, 282704), (142, 141352), (284, 70676), (568, 35338), (1136, 17669)]