20212728

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 33908232

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 107, 136, 204, 214, 321, 408, 428, 463, 642, 856, 926, 1284, 1389, 1819, 1852, 2568, 2778, 3638, 3704, 5457, 5556, 7276, 7871, 10914, 11112, 14552, 15742, 21828, 23613, 31484, 43656, 47226, 49541, 62968, 94452, 99082, 148623, 188904, 198164, 297246, 396328, 594492, 842197, 1188984, 1684394, 2526591, 3368788, 5053182, 6737576, 10106364, 20212728]

約数ペア:

[(1, 20212728), (2, 10106364), (3, 6737576), (4, 5053182), (6, 3368788), (8, 2526591), (12, 1684394), (17, 1188984), (24, 842197), (34, 594492), (51, 396328), (68, 297246), (102, 198164), (107, 188904), (136, 148623), (204, 99082), (214, 94452), (321, 62968), (408, 49541), (428, 47226), (463, 43656), (642, 31484), (856, 23613), (926, 21828), (1284, 15742), (1389, 14552), (1819, 11112), (1852, 10914), (2568, 7871), (2778, 7276), (3638, 5556), (3704, 5457)]