20512035

素因数分解:

$3^4\times 5^1\times {\mathrm{50647}}^1$

素因数の和:50664

約数の個数: 20

約数和(自身を含む): 36770448

約数和(自身を除く): 16258413

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50647, 151941, 253235, 455823, 759705, 1367469, 2279115, 4102407, 6837345, 20512035]

約数ペア:

[(1, 20512035), (3, 6837345), (5, 4102407), (9, 2279115), (15, 1367469), (27, 759705), (45, 455823), (81, 253235), (135, 151941), (405, 50647)]