20611969144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{9811}}^1\times {\mathrm{20201}}^1$

素因数の和:30031

約数の個数: 32

約数和(自身を含む): 41626625040

約数和(自身を除く): 21014655896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 9811, 19622, 20201, 39244, 40402, 78488, 80804, 127543, 161608, 255086, 262613, 510172, 525226, 1020344, 1050452, 2100904, 198192011, 396384022, 792768044, 1585536088, 2576496143, 5152992286, 10305984572, 20611969144]

約数ペア:

[(1, 20611969144), (2, 10305984572), (4, 5152992286), (8, 2576496143), (13, 1585536088), (26, 792768044), (52, 396384022), (104, 198192011), (9811, 2100904), (19622, 1050452), (20201, 1020344), (39244, 525226), (40402, 510172), (78488, 262613), (80804, 255086), (127543, 161608)]