20204569

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1021}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 25312896

約数和(自身を除く): 5108327

約数列:

[1, 7, 11, 77, 257, 1021, 1799, 2827, 7147, 11231, 19789, 78617, 262397, 1836779, 2886367, 20204569]

約数ペア:

[(1, 20204569), (7, 2886367), (11, 1836779), (77, 262397), (257, 78617), (1021, 19789), (1799, 11231), (2827, 7147)]