20513229

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5501}}^1$

素因数の和:5628

約数の個数: 16

約数和(自身を含む): 30106944

約数和(自身を除く): 9593715

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5501, 16503, 60511, 181533, 621613, 1864839, 6837743, 20513229]

約数ペア:

[(1, 20513229), (3, 6837743), (11, 1864839), (33, 621613), (113, 181533), (339, 60511), (1243, 16503), (3729, 5501)]