20662321862

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{205297}}^1$

素因数の和:205405

約数の個数: 48

約数和(自身を含む): 39318672960

約数和(自身を除く): 18656351098

約数列:

[1, 2, 7, 13, 14, 26, 49, 79, 91, 98, 158, 182, 553, 637, 1027, 1106, 1274, 2054, 3871, 7189, 7742, 14378, 50323, 100646, 205297, 410594, 1437079, 2668861, 2874158, 5337722, 10059553, 16218463, 18682027, 20119106, 32436926, 37364054, 113529241, 130774189, 210840019, 227058482, 261548378, 421680038, 794704687, 1475880133, 1589409374, 2951760266, 10331160931, 20662321862]

約数ペア:

[(1, 20662321862), (2, 10331160931), (7, 2951760266), (13, 1589409374), (14, 1475880133), (26, 794704687), (49, 421680038), (79, 261548378), (91, 227058482), (98, 210840019), (158, 130774189), (182, 113529241), (553, 37364054), (637, 32436926), (1027, 20119106), (1106, 18682027), (1274, 16218463), (2054, 10059553), (3871, 5337722), (7189, 2874158), (7742, 2668861), (14378, 1437079), (50323, 410594), (100646, 205297)]