20356329

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22543}}^1$

素因数の和:22596

約数の個数: 16

約数和(自身を含む): 31741952

約数和(自身を除く): 11385623

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22543, 67629, 157801, 473403, 969349, 2908047, 6785443, 20356329]

約数ペア:

[(1, 20356329), (3, 6785443), (7, 2908047), (21, 969349), (43, 473403), (129, 157801), (301, 67629), (903, 22543)]