20542950484

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{238439}}^1$

素因数の和:238648

約数の個数: 48

約数和(自身を含む): 43743248640

約数和(自身を除く): 23200298156

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 181, 238, 362, 476, 724, 1267, 2534, 3077, 5068, 6154, 12308, 21539, 43078, 86156, 238439, 476878, 953756, 1669073, 3338146, 4053463, 6676292, 8106926, 16213852, 28374241, 43157459, 56748482, 86314918, 113496964, 172629836, 302102213, 604204426, 733676803, 1208408852, 1467353606, 2934707212, 5135737621, 10271475242, 20542950484]

約数ペア:

[(1, 20542950484), (2, 10271475242), (4, 5135737621), (7, 2934707212), (14, 1467353606), (17, 1208408852), (28, 733676803), (34, 604204426), (68, 302102213), (119, 172629836), (181, 113496964), (238, 86314918), (362, 56748482), (476, 43157459), (724, 28374241), (1267, 16213852), (2534, 8106926), (3077, 6676292), (5068, 4053463), (6154, 3338146), (12308, 1669073), (21539, 953756), (43078, 476878), (86156, 238439)]