20184467901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1\times {\mathrm{18743}}^1$

素因数の和:19333

約数の個数: 32

約数和(自身を含む): 29587928832

約数和(自身を除く): 9403460931

約数列:

[1, 3, 13, 39, 53, 159, 521, 689, 1563, 2067, 6773, 18743, 20319, 27613, 56229, 82839, 243659, 358969, 730977, 993379, 1076907, 2980137, 9765103, 12913927, 29295309, 38741781, 126946339, 380839017, 517550459, 1552651377, 6728155967, 20184467901]

約数ペア:

[(1, 20184467901), (3, 6728155967), (13, 1552651377), (39, 517550459), (53, 380839017), (159, 126946339), (521, 38741781), (689, 29295309), (1563, 12913927), (2067, 9765103), (6773, 2980137), (18743, 1076907), (20319, 993379), (27613, 730977), (56229, 358969), (82839, 243659)]