20123394057

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{6047}}^1$

素因数の和:6587

約数の個数: 64

約数和(自身を含む): 33868800000

約数和(自身を除く): 13745405943

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 499, 513, 741, 1497, 2223, 4491, 6047, 6487, 6669, 9481, 13473, 18141, 19461, 28443, 54423, 58383, 78611, 85329, 114893, 123253, 163269, 175149, 235833, 255987, 344679, 369759, 707499, 1034037, 1109277, 1493609, 2122497, 3017453, 3102111, 3327831, 4480827, 9052359, 13442481, 27157077, 39226889, 40327443, 57331607, 81471231, 117680667, 171994821, 353042001, 515984463, 745310891, 1059126003, 1547953389, 2235932673, 6707798019, 20123394057]

約数ペア:

[(1, 20123394057), (3, 6707798019), (9, 2235932673), (13, 1547953389), (19, 1059126003), (27, 745310891), (39, 515984463), (57, 353042001), (117, 171994821), (171, 117680667), (247, 81471231), (351, 57331607), (499, 40327443), (513, 39226889), (741, 27157077), (1497, 13442481), (2223, 9052359), (4491, 4480827), (6047, 3327831), (6487, 3102111), (6669, 3017453), (9481, 2122497), (13473, 1493609), (18141, 1109277), (19461, 1034037), (28443, 707499), (54423, 369759), (58383, 344679), (78611, 255987), (85329, 235833), (114893, 175149), (123253, 163269)]