20731261821

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{23957}}^1\times {\mathrm{4889}}^1$

素因数の和:28908

約数の個数: 16

約数和(自身を含む): 28117108800

約数和(自身を除く): 7385846979

約数列:

[1, 3, 59, 177, 4889, 14667, 23957, 71871, 288451, 865353, 1413463, 4240389, 117125773, 351377319, 6910420607, 20731261821]

約数ペア:

[(1, 20731261821), (3, 6910420607), (59, 351377319), (177, 117125773), (4889, 4240389), (14667, 1413463), (23957, 865353), (71871, 288451)]