20294127

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2459}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 33770880

約数和(自身を除く): 13476753

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2459, 2751, 7377, 8253, 17213, 22131, 51639, 154917, 322129, 966387, 2254903, 2899161, 6764709, 20294127]

約数ペア:

[(1, 20294127), (3, 6764709), (7, 2899161), (9, 2254903), (21, 966387), (63, 322129), (131, 154917), (393, 51639), (917, 22131), (1179, 17213), (2459, 8253), (2751, 7377)]