20832721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12049}}^1$

素因数の和:12088

約数の個数: 16

約数和(自身を含む): 26992000

約数和(自身を除く): 6159279

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 12049, 84343, 156637, 228931, 1096459, 1602517, 2976103, 20832721]

約数ペア:

[(1, 20832721), (7, 2976103), (13, 1602517), (19, 1096459), (91, 228931), (133, 156637), (247, 84343), (1729, 12049)]