20423031

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 27696768

約数和(自身を除く): 7273737

約数列:

[1, 3, 131, 157, 331, 393, 471, 993, 20567, 43361, 51967, 61701, 130083, 155901, 6807677, 20423031]

約数ペア:

[(1, 20423031), (3, 6807677), (131, 155901), (157, 130083), (331, 61701), (393, 51967), (471, 43361), (993, 20567)]