20716936

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{38651}}^1$

素因数の和:38724

約数の個数: 16

約数和(自身を含む): 39425040

約数和(自身を除く): 18708104

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 38651, 77302, 154604, 309208, 2589617, 5179234, 10358468, 20716936]

約数ペア:

[(1, 20716936), (2, 10358468), (4, 5179234), (8, 2589617), (67, 309208), (134, 154604), (268, 77302), (536, 38651)]