20218511043

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1\times {\mathrm{1373}}^1$

素因数の和:2388

約数の個数: 48

約数和(自身を含む): 31264215840

約数和(自身を除く): 11045704797

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 883, 981, 1373, 1853, 2649, 4119, 5559, 7947, 12357, 15011, 16677, 23341, 45033, 70023, 96247, 135099, 149657, 210069, 288741, 448971, 866223, 1212359, 1346913, 1636199, 2544169, 3637077, 4908597, 7632507, 10911231, 14725791, 20610103, 22897521, 61830309, 132147131, 185490927, 396441393, 1189324179, 2246501227, 6739503681, 20218511043]

約数ペア:

[(1, 20218511043), (3, 6739503681), (9, 2246501227), (17, 1189324179), (51, 396441393), (109, 185490927), (153, 132147131), (327, 61830309), (883, 22897521), (981, 20610103), (1373, 14725791), (1853, 10911231), (2649, 7632507), (4119, 4908597), (5559, 3637077), (7947, 2544169), (12357, 1636199), (15011, 1346913), (16677, 1212359), (23341, 866223), (45033, 448971), (70023, 288741), (96247, 210069), (135099, 149657)]