20117079

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{2459}}^1$

素因数の和:2572

約数の個数: 20

約数和(自身を含む): 30361320

約数和(自身を除く): 10244241

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2459, 2727, 7377, 8181, 22131, 66393, 199179, 248359, 745077, 2235231, 6705693, 20117079]

約数ペア:

[(1, 20117079), (3, 6705693), (9, 2235231), (27, 745077), (81, 248359), (101, 199179), (303, 66393), (909, 22131), (2459, 8181), (2727, 7377)]