20152143

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 33426432

約数和(自身を除く): 13274289

約数列:

[1, 3, 9, 11, 33, 47, 61, 71, 99, 141, 183, 213, 423, 517, 549, 639, 671, 781, 1551, 2013, 2343, 2867, 3337, 4331, 4653, 6039, 7029, 8601, 10011, 12993, 25803, 30033, 31537, 36707, 38979, 47641, 94611, 110121, 142923, 203557, 283833, 330363, 428769, 610671, 1832013, 2239127, 6717381, 20152143]

約数ペア:

[(1, 20152143), (3, 6717381), (9, 2239127), (11, 1832013), (33, 610671), (47, 428769), (61, 330363), (71, 283833), (99, 203557), (141, 142923), (183, 110121), (213, 94611), (423, 47641), (517, 38979), (549, 36707), (639, 31537), (671, 30033), (781, 25803), (1551, 12993), (2013, 10011), (2343, 8601), (2867, 7029), (3337, 6039), (4331, 4653)]