20078091445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{12959}}^1$

素因数の和:13377

約数の個数: 32

約数和(自身を含む): 25978060800

約数和(自身を除く): 5899969355

約数列:

[1, 5, 19, 47, 95, 235, 347, 893, 1735, 4465, 6593, 12959, 16309, 32965, 64795, 81545, 246221, 309871, 609073, 1231105, 1549355, 3045365, 4496773, 11572387, 22483865, 57861935, 85438687, 211348331, 427193435, 1056741655, 4015618289, 20078091445]

約数ペア:

[(1, 20078091445), (5, 4015618289), (19, 1056741655), (47, 427193435), (95, 211348331), (235, 85438687), (347, 57861935), (893, 22483865), (1735, 11572387), (4465, 4496773), (6593, 3045365), (12959, 1549355), (16309, 1231105), (32965, 609073), (64795, 309871), (81545, 246221)]