20668792

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{69827}}^1$

素因数の和:69870

約数の個数: 16

約数和(自身を含む): 39801960

約数和(自身を除く): 19133168

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 69827, 139654, 279308, 558616, 2583599, 5167198, 10334396, 20668792]

約数ペア:

[(1, 20668792), (2, 10334396), (4, 5167198), (8, 2583599), (37, 558616), (74, 279308), (148, 139654), (296, 69827)]