20925333009

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2424439}}^1$

素因数の和:2424589

約数の個数: 24

約数和(自身を含む): 34795562880

約数和(自身を除く): 13870229871

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 2424439, 7273317, 16971073, 21819951, 50913219, 152739657, 332148143, 996444429, 2325037001, 2989333287, 6975111003, 20925333009]

約数ペア:

[(1, 20925333009), (3, 6975111003), (7, 2989333287), (9, 2325037001), (21, 996444429), (63, 332148143), (137, 152739657), (411, 50913219), (959, 21819951), (1233, 16971073), (2877, 7273317), (8631, 2424439)]