20105988476

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1\times {\mathrm{52121}}^1$

素因数の和:52754

約数の個数: 48

約数和(自身を含む): 42031180800

約数和(自身を除く): 21925192324

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 599, 644, 1198, 2396, 4193, 8386, 13777, 16772, 27554, 52121, 55108, 96439, 104242, 192878, 208484, 364847, 385756, 729694, 1198783, 1459388, 2397566, 4795132, 8391481, 16782962, 31220479, 33565924, 62440958, 124881916, 218543353, 437086706, 718071017, 874173412, 1436142034, 2872284068, 5026497119, 10052994238, 20105988476]

約数ペア:

[(1, 20105988476), (2, 10052994238), (4, 5026497119), (7, 2872284068), (14, 1436142034), (23, 874173412), (28, 718071017), (46, 437086706), (92, 218543353), (161, 124881916), (322, 62440958), (599, 33565924), (644, 31220479), (1198, 16782962), (2396, 8391481), (4193, 4795132), (8386, 2397566), (13777, 1459388), (16772, 1198783), (27554, 729694), (52121, 385756), (55108, 364847), (96439, 208484), (104242, 192878)]