20237660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2803}}^1$

素因数の和:2850

約数の個数: 36

約数和(自身を含む): 44869608

約数和(自身を除く): 24631948

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2803, 3610, 5606, 7220, 11212, 14015, 28030, 53257, 56060, 106514, 213028, 266285, 532570, 1011883, 1065140, 2023766, 4047532, 5059415, 10118830, 20237660]

約数ペア:

[(1, 20237660), (2, 10118830), (4, 5059415), (5, 4047532), (10, 2023766), (19, 1065140), (20, 1011883), (38, 532570), (76, 266285), (95, 213028), (190, 106514), (361, 56060), (380, 53257), (722, 28030), (1444, 14015), (1805, 11212), (2803, 7220), (3610, 5606)]