20295790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{431}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 38911104

約数和(自身を除く): 18615314

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 277, 431, 554, 862, 1385, 2155, 2770, 4310, 4709, 7327, 9418, 14654, 23545, 36635, 47090, 73270, 119387, 238774, 596935, 1193870, 2029579, 4059158, 10147895, 20295790]

約数ペア:

[(1, 20295790), (2, 10147895), (5, 4059158), (10, 2029579), (17, 1193870), (34, 596935), (85, 238774), (170, 119387), (277, 73270), (431, 47090), (554, 36635), (862, 23545), (1385, 14654), (2155, 9418), (2770, 7327), (4310, 4709)]