20146470981

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:524

約数の個数: 128

約数和(自身を含む): 34978944000

約数和(自身を除く): 14832473019

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 109, 123, 147, 273, 287, 327, 337, 343, 533, 637, 763, 861, 1011, 1029, 1417, 1599, 1911, 2009, 2289, 2359, 3731, 4251, 4381, 4459, 4469, 5341, 6027, 7077, 9919, 11193, 13143, 13377, 13407, 13817, 14063, 16023, 16513, 26117, 29757, 30667, 31283, 36733, 37387, 41451, 42189, 49539, 58097, 69433, 78351, 92001, 93849, 96719, 110199, 112161, 115591, 174291, 179621, 182819, 208299, 214669, 218981, 257131, 290157, 346773, 406679, 477529, 486031, 538863, 548457, 644007, 656943, 677033, 771393, 1220037, 1257347, 1432587, 1458093, 1502683, 1506053, 1532867, 1799917, 2031099, 2846753, 3342703, 3772041, 4508049, 4518159, 4598601, 4739231, 5399751, 8540259, 8801429, 10028109, 10542371, 12599419, 14217693, 19578689, 19927271, 23398921, 26404287, 31627113, 37798257, 58736067, 59781813, 61610003, 70196763, 73796597, 137050823, 163792447, 184830009, 221389791, 411152469, 491377341, 516576179, 959355761, 1549728537, 2878067283, 6715490327, 20146470981]

約数ペア:

[(1, 20146470981), (3, 6715490327), (7, 2878067283), (13, 1549728537), (21, 959355761), (39, 516576179), (41, 491377341), (49, 411152469), (91, 221389791), (109, 184830009), (123, 163792447), (147, 137050823), (273, 73796597), (287, 70196763), (327, 61610003), (337, 59781813), (343, 58736067), (533, 37798257), (637, 31627113), (763, 26404287), (861, 23398921), (1011, 19927271), (1029, 19578689), (1417, 14217693), (1599, 12599419), (1911, 10542371), (2009, 10028109), (2289, 8801429), (2359, 8540259), (3731, 5399751), (4251, 4739231), (4381, 4598601), (4459, 4518159), (4469, 4508049), (5341, 3772041), (6027, 3342703), (7077, 2846753), (9919, 2031099), (11193, 1799917), (13143, 1532867), (13377, 1506053), (13407, 1502683), (13817, 1458093), (14063, 1432587), (16023, 1257347), (16513, 1220037), (26117, 771393), (29757, 677033), (30667, 656943), (31283, 644007), (36733, 548457), (37387, 538863), (41451, 486031), (42189, 477529), (49539, 406679), (58097, 346773), (69433, 290157), (78351, 257131), (92001, 218981), (93849, 214669), (96719, 208299), (110199, 182819), (112161, 179621), (115591, 174291)]