20147996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4201}}^1$

素因数の和:4325

約数の個数: 24

約数和(自身を含む): 38826480

約数和(自身を除く): 18678484

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4201, 4796, 8402, 16804, 46211, 92422, 184844, 457909, 915818, 1831636, 5036999, 10073998, 20147996]

約数ペア:

[(1, 20147996), (2, 10073998), (4, 5036999), (11, 1831636), (22, 915818), (44, 457909), (109, 184844), (218, 92422), (436, 46211), (1199, 16804), (2398, 8402), (4201, 4796)]