20199771074

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{252289}}^1$

素因数の和:252367

約数の個数: 48

約数和(自身を含む): 37964599200

約数和(自身を除く): 17764828126

約数列:

[1, 2, 7, 14, 19, 38, 43, 49, 86, 98, 133, 266, 301, 602, 817, 931, 1634, 1862, 2107, 4214, 5719, 11438, 40033, 80066, 252289, 504578, 1766023, 3532046, 4793491, 9586982, 10848427, 12362161, 21696854, 24724322, 33554437, 67108874, 75938989, 151877978, 206120113, 234881059, 412240226, 469762118, 531572923, 1063145846, 1442840791, 2885681582, 10099885537, 20199771074]

約数ペア:

[(1, 20199771074), (2, 10099885537), (7, 2885681582), (14, 1442840791), (19, 1063145846), (38, 531572923), (43, 469762118), (49, 412240226), (86, 234881059), (98, 206120113), (133, 151877978), (266, 75938989), (301, 67108874), (602, 33554437), (817, 24724322), (931, 21696854), (1634, 12362161), (1862, 10848427), (2107, 9586982), (4214, 4793491), (5719, 3532046), (11438, 1766023), (40033, 504578), (80066, 252289)]