20608889653424

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{23369}}^1\times {\mathrm{75401}}^1$

素因数の和:98838

約数の個数: 80

約数和(自身を含む): 43264177656480

約数和(自身を除く): 22655288003056

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 2924, 5848, 11696, 23369, 46738, 75401, 93476, 150802, 186952, 301604, 373904, 397273, 603208, 794546, 1004867, 1206416, 1281817, 1589092, 2009734, 2563634, 3178184, 3242243, 4019468, 5127268, 6356368, 6484486, 8038936, 10254536, 12968972, 16077872, 17082739, 20509072, 25937944, 34165478, 51875888, 55118131, 68330956, 110236262, 136661912, 220472524, 273323824, 440945048, 881890096, 1762045969, 3524091938, 7048183876, 14096367752, 28192735504, 29954781473, 59909562946, 75767976667, 119819125892, 151535953334, 239638251784, 303071906668, 479276503568, 606143813336, 1212287626672, 1288055603339, 2576111206678, 5152222413356, 10304444826712, 20608889653424]

約数ペア:

[(1, 20608889653424), (2, 10304444826712), (4, 5152222413356), (8, 2576111206678), (16, 1288055603339), (17, 1212287626672), (34, 606143813336), (43, 479276503568), (68, 303071906668), (86, 239638251784), (136, 151535953334), (172, 119819125892), (272, 75767976667), (344, 59909562946), (688, 29954781473), (731, 28192735504), (1462, 14096367752), (2924, 7048183876), (5848, 3524091938), (11696, 1762045969), (23369, 881890096), (46738, 440945048), (75401, 273323824), (93476, 220472524), (150802, 136661912), (186952, 110236262), (301604, 68330956), (373904, 55118131), (397273, 51875888), (603208, 34165478), (794546, 25937944), (1004867, 20509072), (1206416, 17082739), (1281817, 16077872), (1589092, 12968972), (2009734, 10254536), (2563634, 8038936), (3178184, 6484486), (3242243, 6356368), (4019468, 5127268)]