20161958476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{570643}}^1$

素因数の和:570742

約数の個数: 36

約数和(自身を含む): 39313947736

約数和(自身を除く): 19151989260

約数列:

[1, 2, 4, 11, 22, 44, 73, 121, 146, 242, 292, 484, 803, 1606, 3212, 8833, 17666, 35332, 570643, 1141286, 2282572, 6277073, 12554146, 25108292, 41656939, 69047803, 83313878, 138095606, 166627756, 276191212, 458226329, 916452658, 1832905316, 5040489619, 10080979238, 20161958476]

約数ペア:

[(1, 20161958476), (2, 10080979238), (4, 5040489619), (11, 1832905316), (22, 916452658), (44, 458226329), (73, 276191212), (121, 166627756), (146, 138095606), (242, 83313878), (292, 69047803), (484, 41656939), (803, 25108292), (1606, 12554146), (3212, 6277073), (8833, 2282572), (17666, 1141286), (35332, 570643)]