20530377

素因数分解:

$3^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{967}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 34027136

約数和(自身を除く): 13496759

約数列:

[1, 3, 7, 9, 21, 63, 337, 967, 1011, 2359, 2901, 3033, 6769, 7077, 8703, 20307, 21231, 60921, 325879, 977637, 2281153, 2932911, 6843459, 20530377]

約数ペア:

[(1, 20530377), (3, 6843459), (7, 2932911), (9, 2281153), (21, 977637), (63, 325879), (337, 60921), (967, 21231), (1011, 20307), (2359, 8703), (2901, 7077), (3033, 6769)]