20161661912

素因数分解:

$2^3\times 7^2\times {\mathrm{787}}^1\times {\mathrm{65353}}^1$

素因数の和:66160

約数の個数: 48

約数和(自身を含む): 44031603960

約数和(自身を除く): 23869942048

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 787, 1574, 3148, 5509, 6296, 11018, 22036, 38563, 44072, 65353, 77126, 130706, 154252, 261412, 308504, 457471, 522824, 914942, 1829884, 3202297, 3659768, 6404594, 12809188, 25618376, 51432811, 102865622, 205731244, 360029677, 411462488, 720059354, 1440118708, 2520207739, 2880237416, 5040415478, 10080830956, 20161661912]

約数ペア:

[(1, 20161661912), (2, 10080830956), (4, 5040415478), (7, 2880237416), (8, 2520207739), (14, 1440118708), (28, 720059354), (49, 411462488), (56, 360029677), (98, 205731244), (196, 102865622), (392, 51432811), (787, 25618376), (1574, 12809188), (3148, 6404594), (5509, 3659768), (6296, 3202297), (11018, 1829884), (22036, 914942), (38563, 522824), (44072, 457471), (65353, 308504), (77126, 261412), (130706, 154252)]