20459257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11833}}^1$

素因数の和:11872

約数の個数: 16

約数和(自身を含む): 26508160

約数和(自身を除く): 6048903

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11833, 82831, 153829, 224827, 1076803, 1573789, 2922751, 20459257]

約数ペア:

[(1, 20459257), (7, 2922751), (13, 1573789), (19, 1076803), (91, 224827), (133, 153829), (247, 82831), (1729, 11833)]