20982250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4937}}^1$

素因数の和:4971

約数の個数: 32

約数和(自身を含む): 41597712

約数和(自身を除く): 20615462

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4937, 9874, 24685, 49370, 83929, 123425, 167858, 246850, 419645, 617125, 839290, 1234250, 2098225, 4196450, 10491125, 20982250]

約数ペア:

[(1, 20982250), (2, 10491125), (5, 4196450), (10, 2098225), (17, 1234250), (25, 839290), (34, 617125), (50, 419645), (85, 246850), (125, 167858), (170, 123425), (250, 83929), (425, 49370), (850, 24685), (2125, 9874), (4250, 4937)]