20149803

素因数分解:

$3^5\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 30519216

約数和(自身を除く): 10369413

約数列:

[1, 3, 9, 27, 81, 101, 243, 303, 821, 909, 2463, 2727, 7389, 8181, 22167, 24543, 66501, 82921, 199503, 248763, 746289, 2238867, 6716601, 20149803]

約数ペア:

[(1, 20149803), (3, 6716601), (9, 2238867), (27, 746289), (81, 248763), (101, 199503), (243, 82921), (303, 66501), (821, 24543), (909, 22167), (2463, 8181), (2727, 7389)]