20302785

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2549}}^1$

素因数の和:2622

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 16417215

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2549, 2655, 7647, 7965, 12745, 22941, 38235, 68823, 114705, 150391, 344115, 451173, 751955, 1353519, 2255865, 4060557, 6767595, 20302785]

約数ペア:

[(1, 20302785), (3, 6767595), (5, 4060557), (9, 2255865), (15, 1353519), (27, 751955), (45, 451173), (59, 344115), (135, 150391), (177, 114705), (295, 68823), (531, 38235), (885, 22941), (1593, 12745), (2549, 7965), (2655, 7647)]