20267469

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4339}}^1$

素因数の和:4521

約数の個数: 16

約数和(自身を含む): 30206400

約数和(自身を除く): 9938931

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4339, 4671, 13017, 39051, 117153, 750647, 2251941, 6755823, 20267469]

約数ペア:

[(1, 20267469), (3, 6755823), (9, 2251941), (27, 750647), (173, 117153), (519, 39051), (1557, 13017), (4339, 4671)]