20848653824

素因数分解:

$2^9\times {\mathrm{107}}^1\times {\mathrm{263}}^1\times {\mathrm{1447}}^1$

素因数の和:1835

約数の個数: 80

約数和(自身を含む): 42234939648

約数和(自身を除く): 21386285824

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 128, 214, 256, 263, 428, 512, 526, 856, 1052, 1447, 1712, 2104, 2894, 3424, 4208, 5788, 6848, 8416, 11576, 13696, 16832, 23152, 27392, 28141, 33664, 46304, 54784, 56282, 67328, 92608, 112564, 134656, 154829, 185216, 225128, 309658, 370432, 380561, 450256, 619316, 740864, 761122, 900512, 1238632, 1522244, 1801024, 2477264, 3044488, 3602048, 4954528, 6088976, 7204096, 9909056, 12177952, 14408192, 19818112, 24355904, 39636224, 40720027, 48711808, 79272448, 81440054, 97423616, 162880108, 194847232, 325760216, 651520432, 1303040864, 2606081728, 5212163456, 10424326912, 20848653824]

約数ペア:

[(1, 20848653824), (2, 10424326912), (4, 5212163456), (8, 2606081728), (16, 1303040864), (32, 651520432), (64, 325760216), (107, 194847232), (128, 162880108), (214, 97423616), (256, 81440054), (263, 79272448), (428, 48711808), (512, 40720027), (526, 39636224), (856, 24355904), (1052, 19818112), (1447, 14408192), (1712, 12177952), (2104, 9909056), (2894, 7204096), (3424, 6088976), (4208, 4954528), (5788, 3602048), (6848, 3044488), (8416, 2477264), (11576, 1801024), (13696, 1522244), (16832, 1238632), (23152, 900512), (27392, 761122), (28141, 740864), (33664, 619316), (46304, 450256), (54784, 380561), (56282, 370432), (67328, 309658), (92608, 225128), (112564, 185216), (134656, 154829)]