20817882

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2099}}^1$

素因数の和:2155

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 28322118

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 522, 551, 1102, 1653, 2099, 3306, 4198, 4959, 6297, 9918, 12594, 18891, 37782, 39881, 60871, 79762, 119643, 121742, 182613, 239286, 358929, 365226, 547839, 717858, 1095678, 1156549, 2313098, 3469647, 6939294, 10408941, 20817882]

約数ペア:

[(1, 20817882), (2, 10408941), (3, 6939294), (6, 3469647), (9, 2313098), (18, 1156549), (19, 1095678), (29, 717858), (38, 547839), (57, 365226), (58, 358929), (87, 239286), (114, 182613), (171, 121742), (174, 119643), (261, 79762), (342, 60871), (522, 39881), (551, 37782), (1102, 18891), (1653, 12594), (2099, 9918), (3306, 6297), (4198, 4959)]