20690505

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13933}}^1$

素因数の和:13958

約数の個数: 32

約数和(自身を含む): 40129920

約数和(自身を除く): 19439415

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 13933, 41799, 69665, 125397, 153263, 208995, 376191, 459789, 626985, 766315, 1379367, 1880955, 2298945, 4138101, 6896835, 20690505]

約数ペア:

[(1, 20690505), (3, 6896835), (5, 4138101), (9, 2298945), (11, 1880955), (15, 1379367), (27, 766315), (33, 626985), (45, 459789), (55, 376191), (99, 208995), (135, 153263), (165, 125397), (297, 69665), (495, 41799), (1485, 13933)]