2013109220

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{323651}}^1$

素因数の和:323971

約数の個数: 24

約数和(自身を含む): 4241135808

約数和(自身を除く): 2228026588

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 323651, 647302, 1294604, 1618255, 3236510, 6473020, 100655461, 201310922, 402621844, 503277305, 1006554610, 2013109220]

約数ペア:

[(1, 2013109220), (2, 1006554610), (4, 503277305), (5, 402621844), (10, 201310922), (20, 100655461), (311, 6473020), (622, 3236510), (1244, 1618255), (1555, 1294604), (3110, 647302), (6220, 323651)]