20945216

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{3943}}^1$

素因数の和:4038

約数の個数: 28

約数和(自身を含む): 42074592

約数和(自身を除く): 21129376

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 2656, 3943, 5312, 7886, 15772, 31544, 63088, 126176, 252352, 327269, 654538, 1309076, 2618152, 5236304, 10472608, 20945216]

約数ペア:

[(1, 20945216), (2, 10472608), (4, 5236304), (8, 2618152), (16, 1309076), (32, 654538), (64, 327269), (83, 252352), (166, 126176), (332, 63088), (664, 31544), (1328, 15772), (2656, 7886), (3943, 5312)]