20872704

素因数分解:

$2^9\times 3^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 80

約数和(自身を含む): 56567808

約数和(自身を除く): 35695104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 127, 128, 192, 214, 254, 256, 321, 381, 384, 428, 508, 512, 642, 762, 768, 856, 1016, 1284, 1524, 1536, 1712, 2032, 2568, 3048, 3424, 4064, 5136, 6096, 6848, 8128, 10272, 12192, 13589, 13696, 16256, 20544, 24384, 27178, 27392, 32512, 40767, 41088, 48768, 54356, 54784, 65024, 81534, 82176, 97536, 108712, 163068, 164352, 195072, 217424, 326136, 434848, 652272, 869696, 1304544, 1739392, 2609088, 3478784, 5218176, 6957568, 10436352, 20872704]

約数ペア:

[(1, 20872704), (2, 10436352), (3, 6957568), (4, 5218176), (6, 3478784), (8, 2609088), (12, 1739392), (16, 1304544), (24, 869696), (32, 652272), (48, 434848), (64, 326136), (96, 217424), (107, 195072), (127, 164352), (128, 163068), (192, 108712), (214, 97536), (254, 82176), (256, 81534), (321, 65024), (381, 54784), (384, 54356), (428, 48768), (508, 41088), (512, 40767), (642, 32512), (762, 27392), (768, 27178), (856, 24384), (1016, 20544), (1284, 16256), (1524, 13696), (1536, 13589), (1712, 12192), (2032, 10272), (2568, 8128), (3048, 6848), (3424, 6096), (4064, 5136)]