20785875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{5039}}^1$

素因数の和:5068

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16953645

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 5039, 15117, 25195, 55429, 75585, 125975, 166287, 277145, 377925, 629875, 831435, 1385725, 1889625, 4157175, 6928625, 20785875]

約数ペア:

[(1, 20785875), (3, 6928625), (5, 4157175), (11, 1889625), (15, 1385725), (25, 831435), (33, 629875), (55, 377925), (75, 277145), (125, 166287), (165, 125975), (275, 75585), (375, 55429), (825, 25195), (1375, 15117), (4125, 5039)]