20803212794

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{33589}}^1$

素因数の和:33735

約数の個数: 64

約数和(自身を含む): 39817854720

約数和(自身を除く): 19014641926

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 83, 91, 166, 182, 287, 533, 574, 581, 1066, 1079, 1162, 2158, 3403, 3731, 6806, 7462, 7553, 15106, 23821, 33589, 44239, 47642, 67178, 88478, 235123, 309673, 436657, 470246, 619346, 873314, 1377149, 2754298, 2787887, 3056599, 5575774, 6113198, 9640043, 17902937, 19280086, 19515209, 35805874, 36242531, 39030418, 72485062, 114303367, 125320559, 228606734, 250641118, 253697717, 507395434, 800123569, 1485943771, 1600247138, 2971887542, 10401606397, 20803212794]

約数ペア:

[(1, 20803212794), (2, 10401606397), (7, 2971887542), (13, 1600247138), (14, 1485943771), (26, 800123569), (41, 507395434), (82, 253697717), (83, 250641118), (91, 228606734), (166, 125320559), (182, 114303367), (287, 72485062), (533, 39030418), (574, 36242531), (581, 35805874), (1066, 19515209), (1079, 19280086), (1162, 17902937), (2158, 9640043), (3403, 6113198), (3731, 5575774), (6806, 3056599), (7462, 2787887), (7553, 2754298), (15106, 1377149), (23821, 873314), (33589, 619346), (44239, 470246), (47642, 436657), (67178, 309673), (88478, 235123)]