20161898960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{7741}}^1\times {\mathrm{4651}}^1$

素因数の和:12412

約数の個数: 80

約数和(自身を含む): 53591486592

約数和(自身を除く): 33429587632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4651, 7741, 9302, 15482, 18604, 23255, 30964, 32557, 37208, 38705, 46510, 54187, 61928, 65114, 74416, 77410, 93020, 108374, 123856, 130228, 154820, 162785, 186040, 216748, 260456, 270935, 309640, 325570, 372080, 433496, 520912, 541870, 619280, 651140, 866992, 1083740, 1302280, 2167480, 2604560, 4334960, 36003391, 72006782, 144013564, 180016955, 252023737, 288027128, 360033910, 504047474, 576054256, 720067820, 1008094948, 1260118685, 1440135640, 2016189896, 2520237370, 2880271280, 4032379792, 5040474740, 10080949480, 20161898960]

約数ペア:

[(1, 20161898960), (2, 10080949480), (4, 5040474740), (5, 4032379792), (7, 2880271280), (8, 2520237370), (10, 2016189896), (14, 1440135640), (16, 1260118685), (20, 1008094948), (28, 720067820), (35, 576054256), (40, 504047474), (56, 360033910), (70, 288027128), (80, 252023737), (112, 180016955), (140, 144013564), (280, 72006782), (560, 36003391), (4651, 4334960), (7741, 2604560), (9302, 2167480), (15482, 1302280), (18604, 1083740), (23255, 866992), (30964, 651140), (32557, 619280), (37208, 541870), (38705, 520912), (46510, 433496), (54187, 372080), (61928, 325570), (65114, 309640), (74416, 270935), (77410, 260456), (93020, 216748), (108374, 186040), (123856, 162785), (130228, 154820)]