20298301900

素因数分解:

$2^2\times 5^2\times {\mathrm{409}}^1\times {\mathrm{496291}}^1$

素因数の和:496714

約数の個数: 36

約数和(自身を含む): 44155099240

約数和(自身を除く): 23856797340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 409, 818, 1636, 2045, 4090, 8180, 10225, 20450, 40900, 496291, 992582, 1985164, 2481455, 4962910, 9925820, 12407275, 24814550, 49629100, 202983019, 405966038, 811932076, 1014915095, 2029830190, 4059660380, 5074575475, 10149150950, 20298301900]

約数ペア:

[(1, 20298301900), (2, 10149150950), (4, 5074575475), (5, 4059660380), (10, 2029830190), (20, 1014915095), (25, 811932076), (50, 405966038), (100, 202983019), (409, 49629100), (818, 24814550), (1636, 12407275), (2045, 9925820), (4090, 4962910), (8180, 2481455), (10225, 1985164), (20450, 992582), (40900, 496291)]