20125914939

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{81563}}^1$

素因数の和:81641

約数の個数: 64

約数和(自身を含む): 34713638400

約数和(自身を除く): 14587723461

約数列:

[1, 3, 9, 13, 19, 27, 37, 39, 57, 111, 117, 171, 247, 333, 351, 481, 513, 703, 741, 999, 1443, 2109, 2223, 4329, 6327, 6669, 9139, 12987, 18981, 27417, 81563, 82251, 244689, 246753, 734067, 1060319, 1549697, 2202201, 3017831, 3180957, 4649091, 9053493, 9542871, 13947273, 20146061, 27160479, 28628613, 39231803, 41841819, 57338789, 60438183, 81481437, 117695409, 172016367, 181314549, 353086227, 516049101, 543943647, 745404257, 1059258681, 1548147303, 2236212771, 6708638313, 20125914939]

約数ペア:

[(1, 20125914939), (3, 6708638313), (9, 2236212771), (13, 1548147303), (19, 1059258681), (27, 745404257), (37, 543943647), (39, 516049101), (57, 353086227), (111, 181314549), (117, 172016367), (171, 117695409), (247, 81481437), (333, 60438183), (351, 57338789), (481, 41841819), (513, 39231803), (703, 28628613), (741, 27160479), (999, 20146061), (1443, 13947273), (2109, 9542871), (2223, 9053493), (4329, 4649091), (6327, 3180957), (6669, 3017831), (9139, 2202201), (12987, 1549697), (18981, 1060319), (27417, 734067), (81563, 246753), (82251, 244689)]