20368179

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:106

約数の個数: 60

約数和(自身を含む): 35411376

約数和(自身を除く): 15043197

約数列:

[1, 3, 9, 13, 23, 27, 29, 39, 69, 81, 87, 117, 207, 261, 299, 351, 377, 621, 667, 783, 841, 897, 1053, 1131, 1863, 2001, 2349, 2523, 2691, 3393, 6003, 7569, 8073, 8671, 10179, 10933, 18009, 19343, 22707, 24219, 26013, 30537, 32799, 54027, 58029, 68121, 78039, 98397, 174087, 234117, 251459, 295191, 522261, 702351, 754377, 885573, 1566783, 2263131, 6789393, 20368179]

約数ペア:

[(1, 20368179), (3, 6789393), (9, 2263131), (13, 1566783), (23, 885573), (27, 754377), (29, 702351), (39, 522261), (69, 295191), (81, 251459), (87, 234117), (117, 174087), (207, 98397), (261, 78039), (299, 68121), (351, 58029), (377, 54027), (621, 32799), (667, 30537), (783, 26013), (841, 24219), (897, 22707), (1053, 19343), (1131, 18009), (1863, 10933), (2001, 10179), (2349, 8671), (2523, 8073), (2691, 7569), (3393, 6003)]