20199377288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{2411}}^1\times {\mathrm{61603}}^1$

素因数の和:64037

約数の個数: 32

約数和(自身を含む): 40118988960

約数和(自身を除く): 19919611672

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 2411, 4822, 9644, 19288, 40987, 61603, 81974, 123206, 163948, 246412, 327896, 492824, 1047251, 2094502, 4189004, 8378008, 148524833, 297049666, 594099332, 1188198664, 2524922161, 5049844322, 10099688644, 20199377288]

約数ペア:

[(1, 20199377288), (2, 10099688644), (4, 5049844322), (8, 2524922161), (17, 1188198664), (34, 594099332), (68, 297049666), (136, 148524833), (2411, 8378008), (4822, 4189004), (9644, 2094502), (19288, 1047251), (40987, 492824), (61603, 327896), (81974, 246412), (123206, 163948)]