20038904

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67699}}^1$

素因数の和:67742

約数の個数: 16

約数和(自身を含む): 38589000

約数和(自身を除く): 18550096

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 67699, 135398, 270796, 541592, 2504863, 5009726, 10019452, 20038904]

約数ペア:

[(1, 20038904), (2, 10019452), (4, 5009726), (8, 2504863), (37, 541592), (74, 270796), (148, 135398), (296, 67699)]