20512300

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{5003}}^1$

素因数の和:5058

約数の個数: 36

約数和(自身を含む): 45606456

約数和(自身を除く): 25094156

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 5003, 10006, 20012, 25015, 50030, 100060, 125075, 205123, 250150, 410246, 500300, 820492, 1025615, 2051230, 4102460, 5128075, 10256150, 20512300]

約数ペア:

[(1, 20512300), (2, 10256150), (4, 5128075), (5, 4102460), (10, 2051230), (20, 1025615), (25, 820492), (41, 500300), (50, 410246), (82, 250150), (100, 205123), (164, 125075), (205, 100060), (410, 50030), (820, 25015), (1025, 20012), (2050, 10006), (4100, 5003)]