20780544

素因数分解:

$2^9\times 3^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 80

約数和(自身を含む): 56371392

約数和(自身を除く): 35590848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 163, 166, 192, 249, 256, 326, 332, 384, 489, 498, 512, 652, 664, 768, 978, 996, 1304, 1328, 1536, 1956, 1992, 2608, 2656, 3912, 3984, 5216, 5312, 7824, 7968, 10432, 10624, 13529, 15648, 15936, 20864, 21248, 27058, 31296, 31872, 40587, 41728, 42496, 54116, 62592, 63744, 81174, 83456, 108232, 125184, 127488, 162348, 216464, 250368, 324696, 432928, 649392, 865856, 1298784, 1731712, 2597568, 3463424, 5195136, 6926848, 10390272, 20780544]

約数ペア:

[(1, 20780544), (2, 10390272), (3, 6926848), (4, 5195136), (6, 3463424), (8, 2597568), (12, 1731712), (16, 1298784), (24, 865856), (32, 649392), (48, 432928), (64, 324696), (83, 250368), (96, 216464), (128, 162348), (163, 127488), (166, 125184), (192, 108232), (249, 83456), (256, 81174), (326, 63744), (332, 62592), (384, 54116), (489, 42496), (498, 41728), (512, 40587), (652, 31872), (664, 31296), (768, 27058), (978, 21248), (996, 20864), (1304, 15936), (1328, 15648), (1536, 13529), (1956, 10624), (1992, 10432), (2608, 7968), (2656, 7824), (3912, 5312), (3984, 5216)]