20405950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{24007}}^1$

素因数の和:24036

約数の個数: 24

約数和(自身を含む): 40189392

約数和(自身を除く): 19783442

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 24007, 48014, 120035, 240070, 408119, 600175, 816238, 1200350, 2040595, 4081190, 10202975, 20405950]

約数ペア:

[(1, 20405950), (2, 10202975), (5, 4081190), (10, 2040595), (17, 1200350), (25, 816238), (34, 600175), (50, 408119), (85, 240070), (170, 120035), (425, 48014), (850, 24007)]