20715135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6803}}^1$

素因数の和:6847

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 18475905

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6803, 20409, 34015, 47621, 102045, 142863, 197287, 238105, 591861, 714315, 986435, 1381009, 2959305, 4143027, 6905045, 20715135]

約数ペア:

[(1, 20715135), (3, 6905045), (5, 4143027), (7, 2959305), (15, 1381009), (21, 986435), (29, 714315), (35, 591861), (87, 238105), (105, 197287), (145, 142863), (203, 102045), (435, 47621), (609, 34015), (1015, 20409), (3045, 6803)]