20751939

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{919}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 32483360

約数和(自身を除く): 11731421

約数列:

[1, 3, 9, 13, 39, 117, 193, 579, 919, 1737, 2509, 2757, 7527, 8271, 11947, 22581, 35841, 107523, 177367, 532101, 1596303, 2305771, 6917313, 20751939]

約数ペア:

[(1, 20751939), (3, 6917313), (9, 2305771), (13, 1596303), (39, 532101), (117, 177367), (193, 107523), (579, 35841), (919, 22581), (1737, 11947), (2509, 8271), (2757, 7527)]