20658504

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 53389440

約数和(自身を除く): 32730936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 103, 122, 137, 183, 206, 244, 274, 309, 366, 411, 412, 488, 548, 618, 732, 822, 824, 1096, 1236, 1464, 1644, 2472, 3288, 6283, 8357, 12566, 14111, 16714, 18849, 25071, 25132, 28222, 33428, 37698, 42333, 50142, 50264, 56444, 66856, 75396, 84666, 100284, 112888, 150792, 169332, 200568, 338664, 860771, 1721542, 2582313, 3443084, 5164626, 6886168, 10329252, 20658504]

約数ペア:

[(1, 20658504), (2, 10329252), (3, 6886168), (4, 5164626), (6, 3443084), (8, 2582313), (12, 1721542), (24, 860771), (61, 338664), (103, 200568), (122, 169332), (137, 150792), (183, 112888), (206, 100284), (244, 84666), (274, 75396), (309, 66856), (366, 56444), (411, 50264), (412, 50142), (488, 42333), (548, 37698), (618, 33428), (732, 28222), (822, 25132), (824, 25071), (1096, 18849), (1236, 16714), (1464, 14111), (1644, 12566), (2472, 8357), (3288, 6283)]