20146833

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 36382720

約数和(自身を除く): 16235887

約数列:

[1, 3, 7, 9, 21, 27, 37, 43, 63, 67, 111, 129, 189, 201, 259, 301, 333, 387, 469, 603, 777, 903, 999, 1161, 1407, 1591, 1809, 2331, 2479, 2709, 2881, 4221, 4773, 6993, 7437, 8127, 8643, 11137, 12663, 14319, 17353, 20167, 22311, 25929, 33411, 42957, 52059, 60501, 66933, 77787, 100233, 106597, 156177, 181503, 300699, 319791, 468531, 544509, 746179, 959373, 2238537, 2878119, 6715611, 20146833]

約数ペア:

[(1, 20146833), (3, 6715611), (7, 2878119), (9, 2238537), (21, 959373), (27, 746179), (37, 544509), (43, 468531), (63, 319791), (67, 300699), (111, 181503), (129, 156177), (189, 106597), (201, 100233), (259, 77787), (301, 66933), (333, 60501), (387, 52059), (469, 42957), (603, 33411), (777, 25929), (903, 22311), (999, 20167), (1161, 17353), (1407, 14319), (1591, 12663), (1809, 11137), (2331, 8643), (2479, 8127), (2709, 7437), (2881, 6993), (4221, 4773)]