20291266814

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{513781}}^1$

素因数の和:513841

約数の個数: 48

約数和(自身を含む): 39359811456

約数和(自身を除く): 19068544642

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 637, 806, 1274, 1519, 2821, 3038, 5642, 19747, 39494, 513781, 1027562, 3596467, 6679153, 7192934, 13358306, 15927211, 25175269, 31854422, 46754071, 50350538, 93508142, 111490477, 207053743, 222980954, 327278497, 414107486, 654556994, 780433339, 1449376201, 1560866678, 2898752402, 10145633407, 20291266814]

約数ペア:

[(1, 20291266814), (2, 10145633407), (7, 2898752402), (13, 1560866678), (14, 1449376201), (26, 780433339), (31, 654556994), (49, 414107486), (62, 327278497), (91, 222980954), (98, 207053743), (182, 111490477), (217, 93508142), (403, 50350538), (434, 46754071), (637, 31854422), (806, 25175269), (1274, 15927211), (1519, 13358306), (2821, 7192934), (3038, 6679153), (5642, 3596467), (19747, 1027562), (39494, 513781)]