20206671

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4993}}^1$

素因数の和:5086

約数の個数: 16

約数和(自身を含む): 28765440

約数和(自身を除く): 8558769

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 4993, 14979, 94867, 284601, 354503, 1063509, 6735557, 20206671]

約数ペア:

[(1, 20206671), (3, 6735557), (19, 1063509), (57, 354503), (71, 284601), (213, 94867), (1349, 14979), (4047, 4993)]