20551405749

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{233621}}^1$

素因数の和:233761

約数の個数: 32

約数和(自身を含む): 32295905280

約数和(自身を除く): 11744499531

約数列:

[1, 3, 7, 21, 59, 71, 177, 213, 413, 497, 1239, 1491, 4189, 12567, 29323, 87969, 233621, 700863, 1635347, 4906041, 13783639, 16587091, 41350917, 49761273, 96485473, 116109637, 289456419, 348328911, 978638369, 2935915107, 6850468583, 20551405749]

約数ペア:

[(1, 20551405749), (3, 6850468583), (7, 2935915107), (21, 978638369), (59, 348328911), (71, 289456419), (177, 116109637), (213, 96485473), (413, 49761273), (497, 41350917), (1239, 16587091), (1491, 13783639), (4189, 4906041), (12567, 1635347), (29323, 700863), (87969, 233621)]