20512695621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1\times {\mathrm{503}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 31726356480

約数和(自身を除く): 11213660859

約数列:

[1, 3, 11, 19, 33, 57, 193, 209, 337, 503, 579, 627, 1011, 1509, 2123, 3667, 3707, 5533, 6369, 6403, 9557, 11001, 11121, 16599, 19209, 28671, 40337, 65041, 70433, 97079, 105127, 121011, 169511, 195123, 211299, 291237, 315381, 508533, 715451, 1067869, 1235779, 1844501, 1864621, 2146353, 3203607, 3220709, 3707337, 5533503, 5593863, 9662127, 13593569, 20289511, 32715623, 35427799, 40780707, 60868533, 98146869, 106283397, 359871853, 621596837, 1079615559, 1864790511, 6837565207, 20512695621]

約数ペア:

[(1, 20512695621), (3, 6837565207), (11, 1864790511), (19, 1079615559), (33, 621596837), (57, 359871853), (193, 106283397), (209, 98146869), (337, 60868533), (503, 40780707), (579, 35427799), (627, 32715623), (1011, 20289511), (1509, 13593569), (2123, 9662127), (3667, 5593863), (3707, 5533503), (5533, 3707337), (6369, 3220709), (6403, 3203607), (9557, 2146353), (11001, 1864621), (11121, 1844501), (16599, 1235779), (19209, 1067869), (28671, 715451), (40337, 508533), (65041, 315381), (70433, 291237), (97079, 211299), (105127, 195123), (121011, 169511)]