20168092539

素因数分解:

$3^2\times 7^1\times {\mathrm{2347}}^1\times {\mathrm{136399}}^1$

素因数の和:138759

約数の個数: 24

約数和(自身を含む): 33307788800

約数和(自身を除く): 13139696261

約数列:

[1, 3, 7, 9, 21, 63, 2347, 7041, 16429, 21123, 49287, 136399, 147861, 409197, 954793, 1227591, 2864379, 8593137, 320128453, 960385359, 2240899171, 2881156077, 6722697513, 20168092539]

約数ペア:

[(1, 20168092539), (3, 6722697513), (7, 2881156077), (9, 2240899171), (21, 960385359), (63, 320128453), (2347, 8593137), (7041, 2864379), (16429, 1227591), (21123, 954793), (49287, 409197), (136399, 147861)]