20802806

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1427}}^1$

素因数の和:1663

約数の個数: 16

約数和(自身を含む): 32232816

約数和(自身を除く): 11430010

約数列:

[1, 2, 37, 74, 197, 394, 1427, 2854, 7289, 14578, 52799, 105598, 281119, 562238, 10401403, 20802806]

約数ペア:

[(1, 20802806), (2, 10401403), (37, 562238), (74, 281119), (197, 105598), (394, 52799), (1427, 14578), (2854, 7289)]