20069985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5417}}^1$

素因数の和:5457

約数の個数: 32

約数和(自身を含む): 36408960

約数和(自身を除く): 16338975

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5417, 16251, 27085, 70421, 81255, 102923, 211263, 308769, 352105, 514615, 1056315, 1337999, 1543845, 4013997, 6689995, 20069985]

約数ペア:

[(1, 20069985), (3, 6689995), (5, 4013997), (13, 1543845), (15, 1337999), (19, 1056315), (39, 514615), (57, 352105), (65, 308769), (95, 211263), (195, 102923), (247, 81255), (285, 70421), (741, 27085), (1235, 16251), (3705, 5417)]