20160918904

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2627857}}^1$

素因数の和:2628007

約数の個数: 32

約数和(自身を含む): 43517328480

約数和(自身を除く): 23356409576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 3836, 7672, 2627857, 5255714, 10511428, 18394999, 21022856, 36789998, 73579996, 147159992, 360016409, 720032818, 1440065636, 2520114863, 2880131272, 5040229726, 10080459452, 20160918904]

約数ペア:

[(1, 20160918904), (2, 10080459452), (4, 5040229726), (7, 2880131272), (8, 2520114863), (14, 1440065636), (28, 720032818), (56, 360016409), (137, 147159992), (274, 73579996), (548, 36789998), (959, 21022856), (1096, 18394999), (1918, 10511428), (3836, 5255714), (7672, 2627857)]