20465709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1777}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 29870400

約数和(自身を除く): 9404691

約数列:

[1, 3, 11, 33, 349, 1047, 1777, 3839, 5331, 11517, 19547, 58641, 620173, 1860519, 6821903, 20465709]

約数ペア:

[(1, 20465709), (3, 6821903), (11, 1860519), (33, 620173), (349, 58641), (1047, 19547), (1777, 11517), (3839, 5331)]