20155206064

素因数分解:

$2^4\times 7^2\times {\mathrm{83}}^1\times {\mathrm{309737}}^1$

素因数の和:309842

約数の個数: 60

約数和(自身を含む): 45973791864

約数和(自身を除く): 25818585800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 83, 98, 112, 166, 196, 332, 392, 581, 664, 784, 1162, 1328, 2324, 4067, 4648, 8134, 9296, 16268, 32536, 65072, 309737, 619474, 1238948, 2168159, 2477896, 4336318, 4955792, 8672636, 15177113, 17345272, 25708171, 30354226, 34690544, 51416342, 60708452, 102832684, 121416904, 179957197, 205665368, 242833808, 359914394, 411330736, 719828788, 1259700379, 1439657576, 2519400758, 2879315152, 5038801516, 10077603032, 20155206064]

約数ペア:

[(1, 20155206064), (2, 10077603032), (4, 5038801516), (7, 2879315152), (8, 2519400758), (14, 1439657576), (16, 1259700379), (28, 719828788), (49, 411330736), (56, 359914394), (83, 242833808), (98, 205665368), (112, 179957197), (166, 121416904), (196, 102832684), (332, 60708452), (392, 51416342), (581, 34690544), (664, 30354226), (784, 25708171), (1162, 17345272), (1328, 15177113), (2324, 8672636), (4067, 4955792), (4648, 4336318), (8134, 2477896), (9296, 2168159), (16268, 1238948), (32536, 619474), (65072, 309737)]