20435020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60103}}^1$

素因数の和:60129

約数の個数: 24

約数和(自身を含む): 45438624

約数和(自身を除く): 25003604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60103, 120206, 240412, 300515, 601030, 1021751, 1202060, 2043502, 4087004, 5108755, 10217510, 20435020]

約数ペア:

[(1, 20435020), (2, 10217510), (4, 5108755), (5, 4087004), (10, 2043502), (17, 1202060), (20, 1021751), (34, 601030), (68, 300515), (85, 240412), (170, 120206), (340, 60103)]