20581416

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{9857}}^1$

素因数の和:9898

約数の個数: 48

約数和(自身を含む): 57669300

約数和(自身を除く): 37087884

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 9857, 19714, 29571, 39428, 59142, 78856, 88713, 118284, 177426, 236568, 285853, 354852, 571706, 709704, 857559, 1143412, 1715118, 2286824, 2572677, 3430236, 5145354, 6860472, 10290708, 20581416]

約数ペア:

[(1, 20581416), (2, 10290708), (3, 6860472), (4, 5145354), (6, 3430236), (8, 2572677), (9, 2286824), (12, 1715118), (18, 1143412), (24, 857559), (29, 709704), (36, 571706), (58, 354852), (72, 285853), (87, 236568), (116, 177426), (174, 118284), (232, 88713), (261, 78856), (348, 59142), (522, 39428), (696, 29571), (1044, 19714), (2088, 9857)]