20661036107

素因数分解:

${\mathrm{19}}^2\times {\mathrm{643}}^1\times {\mathrm{89009}}^1$

素因数の和:89690

約数の個数: 12

約数和(自身を含む): 21839849640

約数和(自身を除く): 1178813533

約数列:

[1, 19, 361, 643, 12217, 89009, 232123, 1691171, 32132249, 57232787, 1087422953, 20661036107]

約数ペア:

[(1, 20661036107), (19, 1087422953), (361, 57232787), (643, 32132249), (12217, 1691171), (89009, 232123)]