20028001839

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{7723}}^1$

素因数の和:8207

約数の個数: 32

約数和(自身を含む): 27951734784

約数和(自身を除く): 7923732945

約数列:

[1, 3, 37, 61, 111, 183, 383, 1149, 2257, 6771, 7723, 14171, 23169, 23363, 42513, 70089, 285751, 471103, 857253, 864431, 1413309, 2593293, 2957909, 8873727, 17430811, 52292433, 109442633, 180432449, 328327899, 541297347, 6676000613, 20028001839]

約数ペア:

[(1, 20028001839), (3, 6676000613), (37, 541297347), (61, 328327899), (111, 180432449), (183, 109442633), (383, 52292433), (1149, 17430811), (2257, 8873727), (6771, 2957909), (7723, 2593293), (14171, 1413309), (23169, 864431), (23363, 857253), (42513, 471103), (70089, 285751)]