20512512

素因数分解:

$2^8\times 3^2\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:358

約数の個数: 108

約数和(自身を含む): 61381320

約数和(自身を除く): 40868808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 174, 192, 232, 256, 261, 288, 307, 348, 384, 464, 522, 576, 614, 696, 768, 921, 928, 1044, 1152, 1228, 1392, 1842, 1856, 2088, 2304, 2456, 2763, 2784, 3684, 3712, 4176, 4912, 5526, 5568, 7368, 7424, 8352, 8903, 9824, 11052, 11136, 14736, 16704, 17806, 19648, 22104, 22272, 26709, 29472, 33408, 35612, 39296, 44208, 53418, 58944, 66816, 71224, 78592, 80127, 88416, 106836, 117888, 142448, 160254, 176832, 213672, 235776, 284896, 320508, 353664, 427344, 569792, 641016, 707328, 854688, 1139584, 1282032, 1709376, 2279168, 2564064, 3418752, 5128128, 6837504, 10256256, 20512512]

約数ペア:

[(1, 20512512), (2, 10256256), (3, 6837504), (4, 5128128), (6, 3418752), (8, 2564064), (9, 2279168), (12, 1709376), (16, 1282032), (18, 1139584), (24, 854688), (29, 707328), (32, 641016), (36, 569792), (48, 427344), (58, 353664), (64, 320508), (72, 284896), (87, 235776), (96, 213672), (116, 176832), (128, 160254), (144, 142448), (174, 117888), (192, 106836), (232, 88416), (256, 80127), (261, 78592), (288, 71224), (307, 66816), (348, 58944), (384, 53418), (464, 44208), (522, 39296), (576, 35612), (614, 33408), (696, 29472), (768, 26709), (921, 22272), (928, 22104), (1044, 19648), (1152, 17806), (1228, 16704), (1392, 14736), (1842, 11136), (1856, 11052), (2088, 9824), (2304, 8903), (2456, 8352), (2763, 7424), (2784, 7368), (3684, 5568), (3712, 5526), (4176, 4912)]