20777280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{941}}^1$

素因数の和:984

約数の個数: 112

約数和(自身を含む): 68909184

約数和(自身を除く): 48131904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 920, 941, 960, 1104, 1380, 1472, 1840, 1882, 2208, 2760, 2823, 3680, 3764, 4416, 4705, 5520, 5646, 7360, 7528, 9410, 11040, 11292, 14115, 15056, 18820, 21643, 22080, 22584, 28230, 30112, 37640, 43286, 45168, 56460, 60224, 64929, 75280, 86572, 90336, 108215, 112920, 129858, 150560, 173144, 180672, 216430, 225840, 259716, 301120, 324645, 346288, 432860, 451680, 519432, 649290, 692576, 865720, 903360, 1038864, 1298580, 1385152, 1731440, 2077728, 2597160, 3462880, 4155456, 5194320, 6925760, 10388640, 20777280]

約数ペア:

[(1, 20777280), (2, 10388640), (3, 6925760), (4, 5194320), (5, 4155456), (6, 3462880), (8, 2597160), (10, 2077728), (12, 1731440), (15, 1385152), (16, 1298580), (20, 1038864), (23, 903360), (24, 865720), (30, 692576), (32, 649290), (40, 519432), (46, 451680), (48, 432860), (60, 346288), (64, 324645), (69, 301120), (80, 259716), (92, 225840), (96, 216430), (115, 180672), (120, 173144), (138, 150560), (160, 129858), (184, 112920), (192, 108215), (230, 90336), (240, 86572), (276, 75280), (320, 64929), (345, 60224), (368, 56460), (460, 45168), (480, 43286), (552, 37640), (690, 30112), (736, 28230), (920, 22584), (941, 22080), (960, 21643), (1104, 18820), (1380, 15056), (1472, 14115), (1840, 11292), (1882, 11040), (2208, 9410), (2760, 7528), (2823, 7360), (3680, 5646), (3764, 5520), (4416, 4705)]