20216502585

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{11257}}^1$

素因数の和:11575

約数の個数: 64

約数和(自身を含む): 36767727360

約数和(自身を除く): 16551224775

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 251, 265, 477, 753, 795, 1255, 1431, 2259, 2385, 3765, 6777, 7155, 11257, 11295, 13303, 33771, 33885, 39909, 56285, 66515, 101313, 119727, 168855, 199545, 303939, 359181, 506565, 596621, 598635, 1519695, 1789863, 1795905, 2825507, 2983105, 5369589, 8476521, 8949315, 14127535, 16108767, 25429563, 26847945, 42382605, 76288689, 80543835, 127147815, 149751871, 381443445, 449255613, 748759355, 1347766839, 2246278065, 4043300517, 6738834195, 20216502585]

約数ペア:

[(1, 20216502585), (3, 6738834195), (5, 4043300517), (9, 2246278065), (15, 1347766839), (27, 748759355), (45, 449255613), (53, 381443445), (135, 149751871), (159, 127147815), (251, 80543835), (265, 76288689), (477, 42382605), (753, 26847945), (795, 25429563), (1255, 16108767), (1431, 14127535), (2259, 8949315), (2385, 8476521), (3765, 5369589), (6777, 2983105), (7155, 2825507), (11257, 1795905), (11295, 1789863), (13303, 1519695), (33771, 598635), (33885, 596621), (39909, 506565), (56285, 359181), (66515, 303939), (101313, 199545), (119727, 168855)]