20175486561

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{545033}}^1$

素因数の和:545502

約数の個数: 20

約数和(自身を含む): 30204694212

約数和(自身を除く): 10029207651

約数列:

[1, 3, 9, 27, 81, 457, 1371, 4113, 12339, 37017, 545033, 1635099, 4905297, 14715891, 44147673, 249080081, 747240243, 2241720729, 6725162187, 20175486561]

約数ペア:

[(1, 20175486561), (3, 6725162187), (9, 2241720729), (27, 747240243), (81, 249080081), (457, 44147673), (1371, 14715891), (4113, 4905297), (12339, 1635099), (37017, 545033)]