20416659

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7621}}^1$

素因数の和:7690

約数の個数: 16

約数和(自身を含む): 29268480

約数和(自身を除く): 8851821

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7621, 22863, 144799, 358187, 434397, 1074561, 6805553, 20416659]

約数ペア:

[(1, 20416659), (3, 6805553), (19, 1074561), (47, 434397), (57, 358187), (141, 144799), (893, 22863), (2679, 7621)]