20874832

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1429}}^1$

素因数の和:1531

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 23809808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 83, 88, 166, 176, 332, 664, 913, 1328, 1429, 1826, 2858, 3652, 5716, 7304, 11432, 14608, 15719, 22864, 31438, 62876, 118607, 125752, 237214, 251504, 474428, 948856, 1304677, 1897712, 2609354, 5218708, 10437416, 20874832]

約数ペア:

[(1, 20874832), (2, 10437416), (4, 5218708), (8, 2609354), (11, 1897712), (16, 1304677), (22, 948856), (44, 474428), (83, 251504), (88, 237214), (166, 125752), (176, 118607), (332, 62876), (664, 31438), (913, 22864), (1328, 15719), (1429, 14608), (1826, 11432), (2858, 7304), (3652, 5716)]