20091056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66089}}^1$

素因数の和:66116

約数の個数: 20

約数和(自身を含む): 40975800

約数和(自身を除く): 20884744

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66089, 132178, 264356, 528712, 1057424, 1255691, 2511382, 5022764, 10045528, 20091056]

約数ペア:

[(1, 20091056), (2, 10045528), (4, 5022764), (8, 2511382), (16, 1255691), (19, 1057424), (38, 528712), (76, 264356), (152, 132178), (304, 66089)]