20994873

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2591}}^1$

素因数の和:2704

約数の個数: 16

約数和(自身を含む): 29154816

約数和(自身を除く): 8159943

約数列:

[1, 3, 37, 73, 111, 219, 2591, 2701, 7773, 8103, 95867, 189143, 287601, 567429, 6998291, 20994873]

約数ペア:

[(1, 20994873), (3, 6998291), (37, 567429), (73, 287601), (111, 189143), (219, 95867), (2591, 8103), (2701, 7773)]