20347725104

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{425471}}^1$

素因数の和:425554

約数の個数: 60

約数和(自身を含む): 46612159488

約数和(自身を除く): 26264434384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 392, 427, 488, 784, 854, 976, 1708, 2989, 3416, 5978, 6832, 11956, 23912, 47824, 425471, 850942, 1701884, 2978297, 3403768, 5956594, 6807536, 11913188, 20848079, 23826376, 25953731, 41696158, 47652752, 51907462, 83392316, 103814924, 166784632, 181676117, 207629848, 333569264, 363352234, 415259696, 726704468, 1271732819, 1453408936, 2543465638, 2906817872, 5086931276, 10173862552, 20347725104]

約数ペア:

[(1, 20347725104), (2, 10173862552), (4, 5086931276), (7, 2906817872), (8, 2543465638), (14, 1453408936), (16, 1271732819), (28, 726704468), (49, 415259696), (56, 363352234), (61, 333569264), (98, 207629848), (112, 181676117), (122, 166784632), (196, 103814924), (244, 83392316), (392, 51907462), (427, 47652752), (488, 41696158), (784, 25953731), (854, 23826376), (976, 20848079), (1708, 11913188), (2989, 6807536), (3416, 5956594), (5978, 3403768), (6832, 2978297), (11956, 1701884), (23912, 850942), (47824, 425471)]