20512093245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10281751}}^1$

素因数の和:10281785

約数の個数: 32

約数和(自身を含む): 39481927680

約数和(自身を除く): 18969834435

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10281751, 30845253, 51408755, 71972257, 154226265, 195353269, 215916771, 359861285, 586059807, 976766345, 1079583855, 1367472883, 2930299035, 4102418649, 6837364415, 20512093245]

約数ペア:

[(1, 20512093245), (3, 6837364415), (5, 4102418649), (7, 2930299035), (15, 1367472883), (19, 1079583855), (21, 976766345), (35, 586059807), (57, 359861285), (95, 215916771), (105, 195353269), (133, 154226265), (285, 71972257), (399, 51408755), (665, 30845253), (1995, 10281751)]