20787583996

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{3931}}^1\times {\mathrm{9511}}^1$

素因数の和:13585

約数の個数: 24

約数和(自身を含む): 36653160320

約数和(自身を除く): 15865576324

約数列:

[1, 2, 4, 139, 278, 556, 3931, 7862, 9511, 15724, 19022, 38044, 546409, 1092818, 1322029, 2185636, 2644058, 5288116, 37387741, 74775482, 149550964, 5196895999, 10393791998, 20787583996]

約数ペア:

[(1, 20787583996), (2, 10393791998), (4, 5196895999), (139, 149550964), (278, 74775482), (556, 37387741), (3931, 5288116), (7862, 2644058), (9511, 2185636), (15724, 1322029), (19022, 1092818), (38044, 546409)]