20459789

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9049}}^1$

素因数の和:9092

約数の個数: 16

約数和(自身を含む): 26064000

約数和(自身を除く): 5604211

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9049, 63343, 153833, 171931, 1076831, 1203517, 2922827, 20459789]

約数ペア:

[(1, 20459789), (7, 2922827), (17, 1203517), (19, 1076831), (119, 171931), (133, 153833), (323, 63343), (2261, 9049)]