20779776

素因数分解:

$2^8\times 3^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:362

約数の個数: 108

約数和(自身を含む): 62178480

約数和(自身を除く): 41398704

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, 311, 348, 384, 464, 522, 576, 622, 696, 768, 928, 933, 1044, 1152, 1244, 1392, 1856, 1866, 2088, 2304, 2488, 2784, 2799, 3712, 3732, 4176, 4976, 5568, 5598, 7424, 7464, 8352, 9019, 9952, 11136, 11196, 14928, 16704, 18038, 19904, 22272, 22392, 27057, 29856, 33408, 36076, 39808, 44784, 54114, 59712, 66816, 72152, 79616, 81171, 89568, 108228, 119424, 144304, 162342, 179136, 216456, 238848, 288608, 324684, 358272, 432912, 577216, 649368, 716544, 865824, 1154432, 1298736, 1731648, 2308864, 2597472, 3463296, 5194944, 6926592, 10389888, 20779776]

約数ペア:

[(1, 20779776), (2, 10389888), (3, 6926592), (4, 5194944), (6, 3463296), (8, 2597472), (9, 2308864), (12, 1731648), (16, 1298736), (18, 1154432), (24, 865824), (29, 716544), (32, 649368), (36, 577216), (48, 432912), (58, 358272), (64, 324684), (72, 288608), (87, 238848), (96, 216456), (116, 179136), (128, 162342), (144, 144304), (174, 119424), (192, 108228), (232, 89568), (256, 81171), (261, 79616), (288, 72152), (311, 66816), (348, 59712), (384, 54114), (464, 44784), (522, 39808), (576, 36076), (622, 33408), (696, 29856), (768, 27057), (928, 22392), (933, 22272), (1044, 19904), (1152, 18038), (1244, 16704), (1392, 14928), (1856, 11196), (1866, 11136), (2088, 9952), (2304, 9019), (2488, 8352), (2784, 7464), (2799, 7424), (3712, 5598), (3732, 5568), (4176, 4976)]