20662299

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2089}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 34342880

約数和(自身を除く): 13680581

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 2089, 3297, 6267, 9891, 14623, 18801, 43869, 131607, 327973, 983919, 2295811, 2951757, 6887433, 20662299]

約数ペア:

[(1, 20662299), (3, 6887433), (7, 2951757), (9, 2295811), (21, 983919), (63, 327973), (157, 131607), (471, 43869), (1099, 18801), (1413, 14623), (2089, 9891), (3297, 6267)]