20363481

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8669}}^1$

素因数の和:8710

約数の個数: 20

約数和(自身を含む): 31472100

約数和(自身を除く): 11108619

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8669, 26007, 78021, 234063, 251401, 702189, 754203, 2262609, 6787827, 20363481]

約数ペア:

[(1, 20363481), (3, 6787827), (9, 2262609), (27, 754203), (29, 702189), (81, 251401), (87, 234063), (261, 78021), (783, 26007), (2349, 8669)]