20580045

素因数分解:

$3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3527}}^1$

素因数の和:3924

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 12442035

約数列:

[1, 3, 5, 15, 389, 1167, 1945, 3527, 5835, 10581, 17635, 52905, 1372003, 4116009, 6860015, 20580045]

約数ペア:

[(1, 20580045), (3, 6860015), (5, 4116009), (15, 1372003), (389, 52905), (1167, 17635), (1945, 10581), (3527, 5835)]