20342961

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4799}}^1$

素因数の和:4965

約数の個数: 16

約数和(自身を含む): 30336000

約数和(自身を除く): 9993039

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 4799, 14397, 43191, 129573, 753443, 2260329, 6780987, 20342961]

約数ペア:

[(1, 20342961), (3, 6780987), (9, 2260329), (27, 753443), (157, 129573), (471, 43191), (1413, 14397), (4239, 4799)]