20020900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11777}}^1$

素因数の和:11808

約数の個数: 36

約数和(自身を含む): 46004868

約数和(自身を除く): 25983968

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11777, 23554, 47108, 58885, 117770, 200209, 235540, 294425, 400418, 588850, 800836, 1001045, 1177700, 2002090, 4004180, 5005225, 10010450, 20020900]

約数ペア:

[(1, 20020900), (2, 10010450), (4, 5005225), (5, 4004180), (10, 2002090), (17, 1177700), (20, 1001045), (25, 800836), (34, 588850), (50, 400418), (68, 294425), (85, 235540), (100, 200209), (170, 117770), (340, 58885), (425, 47108), (850, 23554), (1700, 11777)]