20501096

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 50042880

約数和(自身を除く): 29541784

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1447, 1771, 2024, 2894, 3542, 5788, 7084, 10129, 11576, 14168, 15917, 20258, 31834, 33281, 40516, 63668, 66562, 81032, 111419, 127336, 133124, 222838, 232967, 266248, 366091, 445676, 465934, 732182, 891352, 931868, 1464364, 1863736, 2562637, 2928728, 5125274, 10250548, 20501096]

約数ペア:

[(1, 20501096), (2, 10250548), (4, 5125274), (7, 2928728), (8, 2562637), (11, 1863736), (14, 1464364), (22, 931868), (23, 891352), (28, 732182), (44, 465934), (46, 445676), (56, 366091), (77, 266248), (88, 232967), (92, 222838), (154, 133124), (161, 127336), (184, 111419), (253, 81032), (308, 66562), (322, 63668), (506, 40516), (616, 33281), (644, 31834), (1012, 20258), (1288, 15917), (1447, 14168), (1771, 11576), (2024, 10129), (2894, 7084), (3542, 5788)]