20139045579

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{27299}}^1$

素因数の和:27704

約数の個数: 32

約数和(自身を含む): 30270240000

約数和(自身を除く): 10131194421

約数列:

[1, 3, 9, 27, 89, 267, 307, 801, 921, 2403, 2763, 8289, 27299, 27323, 81897, 81969, 245691, 245907, 737073, 737721, 2429611, 7288833, 8380793, 21866499, 25142379, 65599497, 75427137, 226281411, 745890577, 2237671731, 6713015193, 20139045579]

約数ペア:

[(1, 20139045579), (3, 6713015193), (9, 2237671731), (27, 745890577), (89, 226281411), (267, 75427137), (307, 65599497), (801, 25142379), (921, 21866499), (2403, 8380793), (2763, 7288833), (8289, 2429611), (27299, 737721), (27323, 737073), (81897, 245907), (81969, 245691)]