20140456

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 47462400

約数和(自身を除く): 27321944

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 76, 92, 133, 152, 161, 184, 266, 322, 437, 532, 644, 823, 874, 1064, 1288, 1646, 1748, 3059, 3292, 3496, 5761, 6118, 6584, 11522, 12236, 15637, 18929, 23044, 24472, 31274, 37858, 46088, 62548, 75716, 109459, 125096, 132503, 151432, 218918, 265006, 359651, 437836, 530012, 719302, 875672, 1060024, 1438604, 2517557, 2877208, 5035114, 10070228, 20140456]

約数ペア:

[(1, 20140456), (2, 10070228), (4, 5035114), (7, 2877208), (8, 2517557), (14, 1438604), (19, 1060024), (23, 875672), (28, 719302), (38, 530012), (46, 437836), (56, 359651), (76, 265006), (92, 218918), (133, 151432), (152, 132503), (161, 125096), (184, 109459), (266, 75716), (322, 62548), (437, 46088), (532, 37858), (644, 31274), (823, 24472), (874, 23044), (1064, 18929), (1288, 15637), (1646, 12236), (1748, 11522), (3059, 6584), (3292, 6118), (3496, 5761)]