20906909122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1\times {\mathrm{769}}^1$

素因数の和:1331

約数の個数: 64

約数和(自身を含む): 36353116800

約数和(自身を除く): 15446207678

約数列:

[1, 2, 11, 19, 22, 38, 193, 209, 337, 386, 418, 674, 769, 1538, 2123, 3667, 3707, 4246, 6403, 7334, 7414, 8459, 12806, 14611, 16918, 29222, 40337, 65041, 70433, 80674, 130082, 140866, 148417, 160721, 259153, 296834, 321442, 518306, 715451, 1235779, 1430902, 1632587, 2471558, 2819923, 2850683, 3265174, 4923907, 5639846, 5701366, 9847814, 13593569, 27187138, 31019153, 50016529, 54162977, 62038306, 100033058, 108325954, 550181819, 950314051, 1100363638, 1900628102, 10453454561, 20906909122]

約数ペア:

[(1, 20906909122), (2, 10453454561), (11, 1900628102), (19, 1100363638), (22, 950314051), (38, 550181819), (193, 108325954), (209, 100033058), (337, 62038306), (386, 54162977), (418, 50016529), (674, 31019153), (769, 27187138), (1538, 13593569), (2123, 9847814), (3667, 5701366), (3707, 5639846), (4246, 4923907), (6403, 3265174), (7334, 2850683), (7414, 2819923), (8459, 2471558), (12806, 1632587), (14611, 1430902), (16918, 1235779), (29222, 715451), (40337, 518306), (65041, 321442), (70433, 296834), (80674, 259153), (130082, 160721), (140866, 148417)]