20655855

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41729}}^1$

素因数の和:41751

約数の個数: 24

約数和(自身を含む): 39059280

約数和(自身を除く): 18403425

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41729, 125187, 208645, 375561, 459019, 625935, 1377057, 1877805, 2295095, 4131171, 6885285, 20655855]

約数ペア:

[(1, 20655855), (3, 6885285), (5, 4131171), (9, 2295095), (11, 1877805), (15, 1377057), (33, 625935), (45, 459019), (55, 375561), (99, 208645), (165, 125187), (495, 41729)]