20467503

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17099}}^1$

素因数の和:17131

約数の個数: 24

約数和(自身を含む): 35568000

約数和(自身を除く): 15100497

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17099, 51297, 119693, 153891, 324881, 359079, 974643, 1077237, 2274167, 2923929, 6822501, 20467503]

約数ペア:

[(1, 20467503), (3, 6822501), (7, 2923929), (9, 2274167), (19, 1077237), (21, 974643), (57, 359079), (63, 324881), (133, 153891), (171, 119693), (399, 51297), (1197, 17099)]