20787029186

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{639719}}^1$

素因数の和:639950

約数の個数: 32

約数和(自身を含む): 39058744320

約数和(自身を除く): 18271715134

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 211, 422, 1477, 2321, 2954, 4642, 16247, 32494, 639719, 1279438, 4478033, 7036909, 8956066, 14073818, 49258363, 98516726, 134980709, 269961418, 944864963, 1484787799, 1889729926, 2969575598, 10393514593, 20787029186]

約数ペア:

[(1, 20787029186), (2, 10393514593), (7, 2969575598), (11, 1889729926), (14, 1484787799), (22, 944864963), (77, 269961418), (154, 134980709), (211, 98516726), (422, 49258363), (1477, 14073818), (2321, 8956066), (2954, 7036909), (4642, 4478033), (16247, 1279438), (32494, 639719)]