20731657283

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 22417274880

約数和(自身を除く): 1685617597

約数列:

[1, 19, 71, 181, 197, 431, 1349, 3439, 3743, 8189, 12851, 13987, 30601, 35657, 78011, 84907, 244169, 265753, 581419, 677483, 1482209, 1613233, 2531647, 5538781, 6028397, 15368167, 48101293, 105236839, 114539543, 291995173, 1091139857, 20731657283]

約数ペア:

[(1, 20731657283), (19, 1091139857), (71, 291995173), (181, 114539543), (197, 105236839), (431, 48101293), (1349, 15368167), (3439, 6028397), (3743, 5538781), (8189, 2531647), (12851, 1613233), (13987, 1482209), (30601, 677483), (35657, 581419), (78011, 265753), (84907, 244169)]