20115228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5569}}^1$

素因数の和:5626

約数の個数: 48

約数和(自身を含む): 54897920

約数和(自身を除く): 34782692

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5569, 11138, 16707, 22276, 33414, 38983, 66828, 77966, 116949, 155932, 233898, 239467, 467796, 478934, 718401, 957868, 1436802, 1676269, 2873604, 3352538, 5028807, 6705076, 10057614, 20115228]

約数ペア:

[(1, 20115228), (2, 10057614), (3, 6705076), (4, 5028807), (6, 3352538), (7, 2873604), (12, 1676269), (14, 1436802), (21, 957868), (28, 718401), (42, 478934), (43, 467796), (84, 239467), (86, 233898), (129, 155932), (172, 116949), (258, 77966), (301, 66828), (516, 38983), (602, 33414), (903, 22276), (1204, 16707), (1806, 11138), (3612, 5569)]