20043955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2214

約数の個数: 16

約数和(自身を含む): 25581600

約数和(自身を除く): 5537645

約数列:

[1, 5, 19, 95, 101, 505, 1919, 2089, 9595, 10445, 39691, 198455, 210989, 1054945, 4008791, 20043955]

約数ペア:

[(1, 20043955), (5, 4008791), (19, 1054945), (95, 210989), (101, 198455), (505, 39691), (1919, 10445), (2089, 9595)]