20309535

素因数分解:

$3^4\times 5^1\times {\mathrm{50147}}^1$

素因数の和:50164

約数の個数: 20

約数和(自身を含む): 36407448

約数和(自身を除く): 16097913

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50147, 150441, 250735, 451323, 752205, 1353969, 2256615, 4061907, 6769845, 20309535]

約数ペア:

[(1, 20309535), (3, 6769845), (5, 4061907), (9, 2256615), (15, 1353969), (27, 752205), (45, 451323), (81, 250735), (135, 150441), (405, 50147)]