20792870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 46002816

約数和(自身を除く): 25209946

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 101, 119, 170, 173, 202, 238, 346, 505, 595, 707, 865, 1010, 1190, 1211, 1414, 1717, 1730, 2422, 2941, 3434, 3535, 5882, 6055, 7070, 8585, 12019, 12110, 14705, 17170, 17473, 20587, 24038, 29410, 34946, 41174, 60095, 87365, 102935, 120190, 122311, 174730, 205870, 244622, 297041, 594082, 611555, 1223110, 1485205, 2079287, 2970410, 4158574, 10396435, 20792870]

約数ペア:

[(1, 20792870), (2, 10396435), (5, 4158574), (7, 2970410), (10, 2079287), (14, 1485205), (17, 1223110), (34, 611555), (35, 594082), (70, 297041), (85, 244622), (101, 205870), (119, 174730), (170, 122311), (173, 120190), (202, 102935), (238, 87365), (346, 60095), (505, 41174), (595, 34946), (707, 29410), (865, 24038), (1010, 20587), (1190, 17473), (1211, 17170), (1414, 14705), (1717, 12110), (1730, 12019), (2422, 8585), (2941, 7070), (3434, 6055), (3535, 5882)]