20085615

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40577}}^1$

素因数の和:40599

約数の個数: 24

約数和(自身を含む): 37981008

約数和(自身を除く): 17895393

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40577, 121731, 202885, 365193, 446347, 608655, 1339041, 1825965, 2231735, 4017123, 6695205, 20085615]

約数ペア:

[(1, 20085615), (3, 6695205), (5, 4017123), (9, 2231735), (11, 1825965), (15, 1339041), (33, 608655), (45, 446347), (55, 365193), (99, 202885), (165, 121731), (495, 40577)]