20178859533

素因数分解:

$3^1\times 7^1\times {\mathrm{47737}}^1\times {\mathrm{20129}}^1$

素因数の和:67876

約数の個数: 16

約数和(自身を含む): 30750910080

約数和(自身を除く): 10572050547

約数列:

[1, 3, 7, 21, 20129, 47737, 60387, 140903, 143211, 334159, 422709, 1002477, 960898073, 2882694219, 6726286511, 20178859533]

約数ペア:

[(1, 20178859533), (3, 6726286511), (7, 2882694219), (21, 960898073), (20129, 1002477), (47737, 422709), (60387, 334159), (140903, 143211)]