20755190

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8269}}^1$

素因数の和:8527

約数の個数: 16

約数和(自身を含む): 37512720

約数和(自身を除く): 16757530

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 8269, 16538, 41345, 82690, 2075519, 4151038, 10377595, 20755190]

約数ペア:

[(1, 20755190), (2, 10377595), (5, 4151038), (10, 2075519), (251, 82690), (502, 41345), (1255, 16538), (2510, 8269)]