20009147

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1370

約数の個数: 12

約数和(自身を含む): 21625560

約数和(自身を除く): 1616413

約数列:

[1, 19, 43, 361, 817, 1289, 15523, 24491, 55427, 465329, 1053113, 20009147]

約数ペア:

[(1, 20009147), (19, 1053113), (43, 465329), (361, 55427), (817, 24491), (1289, 15523)]