20403917464

素因数分解:

$2^3\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{184111}}^1$

素因数の和:186103

約数の個数: 32

約数和(自身を含む): 43745011200

約数和(自身を除く): 23341093736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1979, 3958, 7916, 13853, 15832, 27706, 55412, 110824, 184111, 368222, 736444, 1288777, 1472888, 2577554, 5155108, 10310216, 364355669, 728711338, 1457422676, 2550489683, 2914845352, 5100979366, 10201958732, 20403917464]

約数ペア:

[(1, 20403917464), (2, 10201958732), (4, 5100979366), (7, 2914845352), (8, 2550489683), (14, 1457422676), (28, 728711338), (56, 364355669), (1979, 10310216), (3958, 5155108), (7916, 2577554), (13853, 1472888), (15832, 1288777), (27706, 736444), (55412, 368222), (110824, 184111)]