20274156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1931

約数の個数: 72

約数和(自身を含む): 59963904

約数和(自身を除く): 39689748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 1871, 2709, 3612, 3742, 5418, 5613, 7484, 10836, 11226, 13097, 16839, 22452, 26194, 33678, 39291, 52388, 67356, 78582, 80453, 117873, 157164, 160906, 235746, 241359, 321812, 471492, 482718, 563171, 724077, 965436, 1126342, 1448154, 1689513, 2252684, 2896308, 3379026, 5068539, 6758052, 10137078, 20274156]

約数ペア:

[(1, 20274156), (2, 10137078), (3, 6758052), (4, 5068539), (6, 3379026), (7, 2896308), (9, 2252684), (12, 1689513), (14, 1448154), (18, 1126342), (21, 965436), (28, 724077), (36, 563171), (42, 482718), (43, 471492), (63, 321812), (84, 241359), (86, 235746), (126, 160906), (129, 157164), (172, 117873), (252, 80453), (258, 78582), (301, 67356), (387, 52388), (516, 39291), (602, 33678), (774, 26194), (903, 22452), (1204, 16839), (1548, 13097), (1806, 11226), (1871, 10836), (2709, 7484), (3612, 5613), (3742, 5418)]