20121549

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22283}}^1$

素因数の和:22336

約数の個数: 16

約数和(自身を含む): 31375872

約数和(自身を除く): 11254323

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22283, 66849, 155981, 467943, 958169, 2874507, 6707183, 20121549]

約数ペア:

[(1, 20121549), (3, 6707183), (7, 2874507), (21, 958169), (43, 467943), (129, 155981), (301, 66849), (903, 22283)]