20129892741

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{105767}}^1$

素因数の和:105855

約数の個数: 64

約数和(自身を含む): 36553420800

約数和(自身を除く): 16423528059

約数列:

[1, 3, 7, 9, 19, 21, 27, 53, 57, 63, 133, 159, 171, 189, 371, 399, 477, 513, 1007, 1113, 1197, 1431, 3021, 3339, 3591, 7049, 9063, 10017, 21147, 27189, 63441, 105767, 190323, 317301, 740369, 951903, 2009573, 2221107, 2855709, 5605651, 6028719, 6663321, 14067011, 16816953, 18086157, 19989963, 39239557, 42201033, 50450859, 54258471, 106507369, 117718671, 126603099, 151352577, 319522107, 353156013, 379809297, 745551583, 958566321, 1059468039, 2236654749, 2875698963, 6709964247, 20129892741]

約数ペア:

[(1, 20129892741), (3, 6709964247), (7, 2875698963), (9, 2236654749), (19, 1059468039), (21, 958566321), (27, 745551583), (53, 379809297), (57, 353156013), (63, 319522107), (133, 151352577), (159, 126603099), (171, 117718671), (189, 106507369), (371, 54258471), (399, 50450859), (477, 42201033), (513, 39239557), (1007, 19989963), (1113, 18086157), (1197, 16816953), (1431, 14067011), (3021, 6663321), (3339, 6028719), (3591, 5605651), (7049, 2855709), (9063, 2221107), (10017, 2009573), (21147, 951903), (27189, 740369), (63441, 317301), (105767, 190323)]