20458801

素因数分解:

${\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:861

約数の個数: 16

約数和(自身を含む): 23716800

約数和(自身を除く): 3257999

約数列:

[1, 11, 19, 121, 209, 809, 1331, 2299, 8899, 15371, 25289, 97889, 169081, 1076779, 1859891, 20458801]

約数ペア:

[(1, 20458801), (11, 1859891), (19, 1076779), (121, 169081), (209, 97889), (809, 25289), (1331, 15371), (2299, 8899)]