20295171

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12605949

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 351, 603, 863, 871, 1809, 2589, 2613, 7767, 7839, 11219, 23301, 23517, 33657, 57821, 100971, 173463, 302913, 520389, 751673, 1561167, 2255019, 6765057, 20295171]

約数ペア:

[(1, 20295171), (3, 6765057), (9, 2255019), (13, 1561167), (27, 751673), (39, 520389), (67, 302913), (117, 173463), (201, 100971), (351, 57821), (603, 33657), (863, 23517), (871, 23301), (1809, 11219), (2589, 7839), (2613, 7767)]