20162221805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{62207}}^1$

素因数の和:62377

約数の個数: 32

約数和(自身を含む): 27088846848

約数和(自身を除く): 6926625043

約数列:

[1, 5, 11, 55, 71, 83, 355, 415, 781, 913, 3905, 4565, 5893, 29465, 62207, 64823, 311035, 324115, 684277, 3421385, 4416697, 5163181, 22083485, 25815905, 48583667, 56794991, 242918335, 283974955, 366585851, 1832929255, 4032444361, 20162221805]

約数ペア:

[(1, 20162221805), (5, 4032444361), (11, 1832929255), (55, 366585851), (71, 283974955), (83, 242918335), (355, 56794991), (415, 48583667), (781, 25815905), (913, 22083485), (3905, 5163181), (4565, 4416697), (5893, 3421385), (29465, 684277), (62207, 324115), (64823, 311035)]