20007939

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15619}}^1$

素因数の和:15690

約数の個数: 16

約数和(自身を含む): 30990080

約数和(自身を除く): 10982141

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15619, 46857, 109333, 327999, 952759, 2858277, 6669313, 20007939]

約数ペア:

[(1, 20007939), (3, 6669313), (7, 2858277), (21, 952759), (61, 327999), (183, 109333), (427, 46857), (1281, 15619)]