20788928

素因数分解:

$2^6\times {\mathrm{137}}^1\times {\mathrm{2371}}^1$

素因数の和:2520

約数の個数: 28

約数和(自身を含む): 41571672

約数和(自身を除く): 20782744

約数列:

[1, 2, 4, 8, 16, 32, 64, 137, 274, 548, 1096, 2192, 2371, 4384, 4742, 8768, 9484, 18968, 37936, 75872, 151744, 324827, 649654, 1299308, 2598616, 5197232, 10394464, 20788928]

約数ペア:

[(1, 20788928), (2, 10394464), (4, 5197232), (8, 2598616), (16, 1299308), (32, 649654), (64, 324827), (137, 151744), (274, 75872), (548, 37936), (1096, 18968), (2192, 9484), (2371, 8768), (4384, 4742)]