20291215386

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1\times {\mathrm{2083}}^1$

素因数の和:3931

約数の個数: 64

約数和(自身を含む): 44366192640

約数和(自身を除く): 24074977254

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1759, 1846, 2083, 2769, 3518, 4166, 5277, 5538, 6249, 10554, 12498, 22867, 27079, 45734, 54158, 68601, 81237, 124889, 137202, 147893, 162474, 249778, 295786, 374667, 443679, 749334, 887358, 1623557, 1922609, 3247114, 3663997, 3845218, 4870671, 5767827, 7327994, 9741342, 10991991, 11535654, 21983982, 47631961, 95263922, 142895883, 260143787, 285791766, 520287574, 780431361, 1560862722, 3381869231, 6763738462, 10145607693, 20291215386]

約数ペア:

[(1, 20291215386), (2, 10145607693), (3, 6763738462), (6, 3381869231), (13, 1560862722), (26, 780431361), (39, 520287574), (71, 285791766), (78, 260143787), (142, 142895883), (213, 95263922), (426, 47631961), (923, 21983982), (1759, 11535654), (1846, 10991991), (2083, 9741342), (2769, 7327994), (3518, 5767827), (4166, 4870671), (5277, 3845218), (5538, 3663997), (6249, 3247114), (10554, 1922609), (12498, 1623557), (22867, 887358), (27079, 749334), (45734, 443679), (54158, 374667), (68601, 295786), (81237, 249778), (124889, 162474), (137202, 147893)]