20765188

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2389}}^1$

素因数の和:2487

約数の個数: 24

約数和(自身を含む): 37943640

約数和(自身を除く): 17178452

約数列:

[1, 2, 4, 41, 53, 82, 106, 164, 212, 2173, 2389, 4346, 4778, 8692, 9556, 97949, 126617, 195898, 253234, 391796, 506468, 5191297, 10382594, 20765188]

約数ペア:

[(1, 20765188), (2, 10382594), (4, 5191297), (41, 506468), (53, 391796), (82, 253234), (106, 195898), (164, 126617), (212, 97949), (2173, 9556), (2389, 8692), (4346, 4778)]