20126890719

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1\times {\mathrm{2029}}^1$

素因数の和:2589

約数の個数: 64

約数和(自身を含む): 32739840000

約数和(自身を除く): 12612949281

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 479, 531, 767, 1437, 1593, 2029, 2301, 4311, 6087, 6227, 6903, 12933, 18261, 18681, 20709, 26377, 28261, 54783, 56043, 79131, 84783, 119711, 168129, 237393, 254349, 359133, 367393, 712179, 763047, 971891, 1077399, 1102179, 1556243, 2915673, 3232197, 3306537, 4668729, 8747019, 9919611, 12634583, 14006187, 26241057, 37903749, 42018561, 57341569, 113711247, 172024707, 341133741, 516074121, 745440397, 1548222363, 2236321191, 6708963573, 20126890719]

約数ペア:

[(1, 20126890719), (3, 6708963573), (9, 2236321191), (13, 1548222363), (27, 745440397), (39, 516074121), (59, 341133741), (117, 172024707), (177, 113711247), (351, 57341569), (479, 42018561), (531, 37903749), (767, 26241057), (1437, 14006187), (1593, 12634583), (2029, 9919611), (2301, 8747019), (4311, 4668729), (6087, 3306537), (6227, 3232197), (6903, 2915673), (12933, 1556243), (18261, 1102179), (18681, 1077399), (20709, 971891), (26377, 763047), (28261, 712179), (54783, 367393), (56043, 359133), (79131, 254349), (84783, 237393), (119711, 168129)]