20850993

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45427}}^1$

素因数の和:45453

約数の個数: 16

約数和(自身を含む): 32708160

約数和(自身を除く): 11857167

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45427, 136281, 408843, 772259, 1226529, 2316777, 6950331, 20850993]

約数ペア:

[(1, 20850993), (3, 6950331), (9, 2316777), (17, 1226529), (27, 772259), (51, 408843), (153, 136281), (459, 45427)]