20165655496

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{911}}^1$

素因数の和:1307

約数の個数: 128

約数和(自身を含む): 45891256320

約数和(自身を除く): 25725600824

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 41, 56, 62, 82, 124, 164, 217, 248, 287, 311, 328, 434, 574, 622, 868, 911, 1148, 1244, 1271, 1736, 1822, 2177, 2296, 2488, 2542, 3644, 4354, 5084, 6377, 7288, 8708, 8897, 9641, 10168, 12751, 12754, 17416, 17794, 19282, 25502, 25508, 28241, 35588, 37351, 38564, 51004, 51016, 56482, 67487, 71176, 74702, 77128, 89257, 102008, 112964, 134974, 149404, 178514, 197687, 225928, 261457, 269948, 283321, 298808, 357028, 395281, 395374, 522914, 539896, 566642, 714056, 790562, 790748, 1045828, 1133284, 1157881, 1581124, 1581496, 1983247, 2091656, 2266568, 2315762, 2766967, 3162248, 3966494, 4631524, 5533934, 7932988, 8105167, 8782951, 9263048, 11067868, 11616161, 15865976, 16210334, 17565902, 22135736, 23232322, 32420668, 35131804, 46464644, 61480657, 64841336, 70263608, 81313127, 92929288, 122961314, 162626254, 245922628, 325252508, 360100991, 491845256, 650505016, 720201982, 1440403964, 2520706937, 2880807928, 5041413874, 10082827748, 20165655496]

約数ペア:

[(1, 20165655496), (2, 10082827748), (4, 5041413874), (7, 2880807928), (8, 2520706937), (14, 1440403964), (28, 720201982), (31, 650505016), (41, 491845256), (56, 360100991), (62, 325252508), (82, 245922628), (124, 162626254), (164, 122961314), (217, 92929288), (248, 81313127), (287, 70263608), (311, 64841336), (328, 61480657), (434, 46464644), (574, 35131804), (622, 32420668), (868, 23232322), (911, 22135736), (1148, 17565902), (1244, 16210334), (1271, 15865976), (1736, 11616161), (1822, 11067868), (2177, 9263048), (2296, 8782951), (2488, 8105167), (2542, 7932988), (3644, 5533934), (4354, 4631524), (5084, 3966494), (6377, 3162248), (7288, 2766967), (8708, 2315762), (8897, 2266568), (9641, 2091656), (10168, 1983247), (12751, 1581496), (12754, 1581124), (17416, 1157881), (17794, 1133284), (19282, 1045828), (25502, 790748), (25508, 790562), (28241, 714056), (35588, 566642), (37351, 539896), (38564, 522914), (51004, 395374), (51016, 395281), (56482, 357028), (67487, 298808), (71176, 283321), (74702, 269948), (77128, 261457), (89257, 225928), (102008, 197687), (112964, 178514), (134974, 149404)]