20921633403

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{59929}}^1$

素因数の和:60163

約数の個数: 32

約数和(自身を含む): 31067712000

約数和(自身を除く): 10146078597

約数列:

[1, 3, 11, 33, 71, 149, 213, 447, 781, 1639, 2343, 4917, 10579, 31737, 59929, 116369, 179787, 349107, 659219, 1977657, 4254959, 8929421, 12764877, 26788263, 46804549, 98223631, 140413647, 294670893, 633988891, 1901966673, 6973877801, 20921633403]

約数ペア:

[(1, 20921633403), (3, 6973877801), (11, 1901966673), (33, 633988891), (71, 294670893), (149, 140413647), (213, 98223631), (447, 46804549), (781, 26788263), (1639, 12764877), (2343, 8929421), (4917, 4254959), (10579, 1977657), (31737, 659219), (59929, 349107), (116369, 179787)]