20121773776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{353}}^1\times {\mathrm{1531}}^1$

素因数の和:2084

約数の個数: 80

約数和(自身を含む): 42366663360

約数和(自身を除く): 22244889584

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 179, 208, 353, 358, 706, 716, 1412, 1432, 1531, 2327, 2824, 2864, 3062, 4589, 4654, 5648, 6124, 9178, 9308, 12248, 18356, 18616, 19903, 24496, 36712, 37232, 39806, 63187, 73424, 79612, 126374, 159224, 252748, 274049, 318448, 505496, 540443, 548098, 821431, 1010992, 1080886, 1096196, 1642862, 2161772, 2192392, 3285724, 3562637, 4323544, 4384784, 6571448, 7025759, 7125274, 8647088, 13142896, 14051518, 14250548, 28103036, 28501096, 56206072, 57002192, 96739297, 112412144, 193478594, 386957188, 773914376, 1257610861, 1547828752, 2515221722, 5030443444, 10060886888, 20121773776]

約数ペア:

[(1, 20121773776), (2, 10060886888), (4, 5030443444), (8, 2515221722), (13, 1547828752), (16, 1257610861), (26, 773914376), (52, 386957188), (104, 193478594), (179, 112412144), (208, 96739297), (353, 57002192), (358, 56206072), (706, 28501096), (716, 28103036), (1412, 14250548), (1432, 14051518), (1531, 13142896), (2327, 8647088), (2824, 7125274), (2864, 7025759), (3062, 6571448), (4589, 4384784), (4654, 4323544), (5648, 3562637), (6124, 3285724), (9178, 2192392), (9308, 2161772), (12248, 1642862), (18356, 1096196), (18616, 1080886), (19903, 1010992), (24496, 821431), (36712, 548098), (37232, 540443), (39806, 505496), (63187, 318448), (73424, 274049), (79612, 252748), (126374, 159224)]