20065080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23887}}^1$

素因数の和:23908

約数の個数: 64

約数和(自身を含む): 68797440

約数和(自身を除く): 48732360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23887, 47774, 71661, 95548, 119435, 143322, 167209, 191096, 238870, 286644, 334418, 358305, 477740, 501627, 573288, 668836, 716610, 836045, 955480, 1003254, 1337672, 1433220, 1672090, 2006508, 2508135, 2866440, 3344180, 4013016, 5016270, 6688360, 10032540, 20065080]

約数ペア:

[(1, 20065080), (2, 10032540), (3, 6688360), (4, 5016270), (5, 4013016), (6, 3344180), (7, 2866440), (8, 2508135), (10, 2006508), (12, 1672090), (14, 1433220), (15, 1337672), (20, 1003254), (21, 955480), (24, 836045), (28, 716610), (30, 668836), (35, 573288), (40, 501627), (42, 477740), (56, 358305), (60, 334418), (70, 286644), (84, 238870), (105, 191096), (120, 167209), (140, 143322), (168, 119435), (210, 95548), (280, 71661), (420, 47774), (840, 23887)]