20163418780

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2104741}}^1$

素因数の和:2105229

約数の個数: 24

約数和(自身を含む): 42431598720

約数和(自身を除く): 22268179940

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 2104741, 4209482, 8418964, 10523705, 21047410, 42094820, 1008170939, 2016341878, 4032683756, 5040854695, 10081709390, 20163418780]

約数ペア:

[(1, 20163418780), (2, 10081709390), (4, 5040854695), (5, 4032683756), (10, 2016341878), (20, 1008170939), (479, 42094820), (958, 21047410), (1916, 10523705), (2395, 8418964), (4790, 4209482), (9580, 2104741)]