20449002

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 49121280

約数和(自身を除く): 28672278

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 103, 163, 174, 203, 206, 309, 326, 406, 489, 609, 618, 721, 978, 1141, 1218, 1442, 2163, 2282, 2987, 3423, 4326, 4727, 5974, 6846, 8961, 9454, 14181, 16789, 17922, 20909, 28362, 33089, 33578, 41818, 50367, 62727, 66178, 99267, 100734, 117523, 125454, 198534, 235046, 352569, 486881, 705138, 973762, 1460643, 2921286, 3408167, 6816334, 10224501, 20449002]

約数ペア:

[(1, 20449002), (2, 10224501), (3, 6816334), (6, 3408167), (7, 2921286), (14, 1460643), (21, 973762), (29, 705138), (42, 486881), (58, 352569), (87, 235046), (103, 198534), (163, 125454), (174, 117523), (203, 100734), (206, 99267), (309, 66178), (326, 62727), (406, 50367), (489, 41818), (609, 33578), (618, 33089), (721, 28362), (978, 20909), (1141, 17922), (1218, 16789), (1442, 14181), (2163, 9454), (2282, 8961), (2987, 6846), (3423, 5974), (4326, 4727)]