20173440063

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20439149}}^1$

素因数の和:20439206

約数の個数: 16

約数和(自身を含む): 31394534400

約数和(自身を除く): 11221094337

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 20439149, 61317447, 143074043, 429222129, 960640003, 2881920009, 6724480021, 20173440063]

約数ペア:

[(1, 20173440063), (3, 6724480021), (7, 2881920009), (21, 960640003), (47, 429222129), (141, 143074043), (329, 61317447), (987, 20439149)]