20156877

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57427}}^1$

素因数の和:57449

約数の個数: 16

約数和(自身を含む): 32159680

約数和(自身を除く): 12002803

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57427, 172281, 516843, 746551, 1550529, 2239653, 6718959, 20156877]

約数ペア:

[(1, 20156877), (3, 6718959), (9, 2239653), (13, 1550529), (27, 746551), (39, 516843), (117, 172281), (351, 57427)]