20565715404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{259001}}^1$

素因数の和:259530

約数の個数: 48

約数和(自身を含む): 51779679840

約数和(自身を除く): 31213964436

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 509, 1018, 1527, 2036, 3054, 6108, 6617, 13234, 19851, 26468, 39702, 79404, 259001, 518002, 777003, 1036004, 1554006, 3108012, 3367013, 6734026, 10101039, 13468052, 20202078, 40404156, 131831509, 263663018, 395494527, 527326036, 790989054, 1581978108, 1713809617, 3427619234, 5141428851, 6855238468, 10282857702, 20565715404]

約数ペア:

[(1, 20565715404), (2, 10282857702), (3, 6855238468), (4, 5141428851), (6, 3427619234), (12, 1713809617), (13, 1581978108), (26, 790989054), (39, 527326036), (52, 395494527), (78, 263663018), (156, 131831509), (509, 40404156), (1018, 20202078), (1527, 13468052), (2036, 10101039), (3054, 6734026), (6108, 3367013), (6617, 3108012), (13234, 1554006), (19851, 1036004), (26468, 777003), (39702, 518002), (79404, 259001)]