20711792

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6571}}^1$

素因数の和:6776

約数の個数: 20

約数和(自身を含む): 40338936

約数和(自身を除く): 19627144

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6571, 13142, 26284, 52568, 105136, 1294487, 2588974, 5177948, 10355896, 20711792]

約数ペア:

[(1, 20711792), (2, 10355896), (4, 5177948), (8, 2588974), (16, 1294487), (197, 105136), (394, 52568), (788, 26284), (1576, 13142), (3152, 6571)]